What influence does increased halogenation or molecular weight have on the solubility, vapor pressure, melting point, and persistence of pcbs?

Answers

Answer 1

What influence does increased halogenation or molecular weight have on the -

solubility: High molecular weight PCBs are insoluble in water. vapor pressure: As molecular weight and halogenation increases, vapor pressure decreases.melting point: increases as molecular weight increases.persistence of pcbs: PCBs are extremely persistent and degrade in half lives.What is Polychlorinated biphenyl (PCB)?

PCBs are a class of man-made chemicals made up of 209 different compounds with similar chemical structures. They either are oily liquids or solids that have no odor or flavor.

PCBs are a good insulator and do not burn easily.

Some key features regarding the Polychlorinated biphenyl (PCB) are-

PCBs were primarily used as coolants as well as lubricants throughout transformers, capacitors, as well as other electrical equipment. They were also found in fluorescent lighting fixtures, magnifications oil, and hydraulic fluids. Workers who were exposed to PCBs in the air for an extended period of time reported nose and lung irritation, as well as skin irritation including such acne and rashes. The liver and kidneys of experimental animals exposed to extremely high levels of PCBs were damaged.The United States has classified PCBs as possibly carcinogenic. Environmental Protection Agency (EPA) and the International Agency for Research on Cancer (IARC) as carcinogenic to humans (IARC). A few research in exposure of workers to PCBs show associations with liver and biliary tract cancer. Liver cancer developed in rats who had high levels of PCBs in their food. In a long review, PCBs caused liver cancer in animals fed specific PCB blends throughout their lives. It is unknown whether the effects seen in living creatures would occur in humans.

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Related Questions

Which progressive reform was wilson unable to successfully establish? reducing import tariffs establishing 8-hour workdays for railroad workers eliminating child labor expanding women’s rights and the right to vote

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The progressive reform that President Woodrow Wilson was unable to establish was reducing import tariffs.

What is a progressive reform?

These are the reforms that the federal government of a place would have to put in place so as to do away with certain practices that are seen to be unfair and unethical which may have negative impacts.

The issue of the import tariffs was not implemented by Wilson. Instead the president that was in charge of this reform was president Roosevelt which was signed in the year 1934 as the Reciprocal Trade Agreements Act.

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Answer:

I believe the answer is D

Explanation:

Driver base driving decisions on appropximately _____ percent of what they see and approximately _____ percent of what they hear or feel.

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Driver base driving decisions on appropximately 90 percent of what they see and approximately 10 percent of what they hear or feel.

Driving a vehicle also involves knowledge of the driving techniques, compliance with the rules of vehicular circulation. The rules of vehicular circulation are those that regulate the fact that drivers comply with the monitoring of traffic signals, traffic lights and other types of road signs. Therefore the driver must comply with these rules and safety measures to drive, among these the most prominent are:

- Use the safety belt at all times.

- Read and respect traffic signals and road signs.

- Respect the right of way of other vehicles and the right of transit of pedestrians.

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When driving on a two-lane highway, if an aggressive driver behind you rapidly flashes their headlights and then pulls out to pass you, you should?

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If when driving on a two-lane highway, an aggressive driver behind you rapidly flashes their headlights and then pulls out to pass you, you should: Move your vehicle toward the right side of your own lane and do not speed up.

What is two-lane highway?

Two-lane highway can be defined as the highway that has two lane which are opposite each other in which one lane is on the right side and the other lane is on the left side and the lane you face tend to depend on the direction you are coming from.

Make sure you move your vehicle toward the right side of  the lane you are, do not speed up so as to allow the aggressive driver to pass as this will help to prevent you from colliding with the aggressive driver car or crashing your vehicle.

Therefore you should move your vehicle toward the right side of your own lane and do not speed up.

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A patron collapses. after they becomes conscious, they have a weakness on the left side of their face and their words are slurred. these are signs and symptoms of a:________

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A patron collapses. after they become conscious, they have a weakness on the left side of their face and their words are slurred. these are signs and symptoms of a Stroke.

What do you mean by Stroke?

When the blood supply to a portion of the brain is interrupted, a dangerous medical condition known as a stroke can result, which is life-threatening. Strokes are medical emergencies that require prompt care. The likelihood of permanent damage is decreased the faster a person receives treatment for a stroke. A blood artery rupture that prevents blood flow to the brain or a clot blocking the flow of blood to the brain (called an ischemic stroke) are both potential causes of stroke. A transient clot is the root cause of a TIA (transient ischemic attack), sometimes known as a "mini-stroke."

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A researcher mixes 10 grams of sodium hydroxide in a 100-ml flask, with different amounts of hydrochloric acid, to study the ph of the solution. the independent variable is ___________.

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A researcher mixes 10 grams of sodium hydroxide in a 100-ml flask, with different amounts of hydrochloric acid, to study the ph of the solution. the independent variable is hydrochloric acid.

What hydrochloric acid is used for?

Batteries, photoflash bulbs, and fireworks are all made with hydrochloric acid. Additionally, it is employed in the production of gelatin goods, building and construction, and the processing of leather.

As an illustration, you may look into how changing the reactants' temperature might affect the reaction's pace. Being the variable that is changing, the temperature would be considered the independent variable. The reaction rate is the dependent variable since the temperature has an impact on how quickly a reaction occurs.

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If noncompliance with a law is discovered during the audit of a publicly held company, the auditors should:_________

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If non-compliance with a law is discovered during the audit of a publicly held company, the auditors should: 'report the act to high level personnel within the client's organization and to the audit committee'.

Non- compliance with laws may implicate fines, penalties or other consequences for the entity that may have a material bounding on the financial statements.

It is an act of not obeying a rule or law, especially related to an industry or organizational work.  Non-compliance with environmental laws can be both costly or sometimes criminal offense. "Willful non-compliance" is an act done with an intentional and known disregard of the law.

It can leave you at risk for "financial losses, security breaches, license banned, business bankruptcy,  lack of trust and a damaged life- time reputation".

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Ocialization is essential for the survival and stability of society. which perspective on socialization and society does this statement reflect?

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Functionalist Perspective Socialization is essential for the survival and stability of society. perspective on socialization and society does this statement reflect.

The position of socialization is to acquaint people with the norms of a given social group or society. It prepares people to take part in a set by illustrating the expectations of that group. Socialization may be very crucial for youngsters, who start the system at home with their own family and maintain it at school.

The own family is one of the maximum stability components of socialization for children, due to the fact, that their first contact is with their own family, and for the first few years of life, children have interaction often with a circle of relatives. children research their values, norms, and ideals from their families.

The socialization technique is a method that converts a “person” into a “social being”. The primary means of this announcement is this method teaches a man to behave according to the policies and norms of a society.

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A rhode island state statute imposes a prison term, without trial, on all street vendors who operate in certain areas. a court would likely hold this statute to be?

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This is a situation of unconstitutional no person deprived of life, liberty, without fair procedures.

What does unlawful government entail?

A government without a constitution is unconstitutional. Absolute monarchy and military dictatorships are typically seen as unconstitutional forms of government. Unconstitutional governments inevitably offer less freedom, equality, and justice than constitutional ones.

If a statute is unconstitutional, what happens?

                                             In each case, the legislature may choose one of three actions: either do nothing, change the law, or repeal it. Following a court judgement stating that a statute is unconstitutional, the legislature may decide not to act for a number of reasons.

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A short-lived item is a building component with an expected ______________ life that is _________ than the ________________________ life of the entire structure.

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A Short-lived items is a  building component with an expected remaining economic life that is shorter than the remaining economic life of the entire structure.

A Short-Lived Item is a construction component whose estimated physical life is smaller than the property's remaining economic life. A short-lived item is anything in a new house that will wear out before the house's economic life is up.  Except for the foundation, frame, masonry or concrete components, and maybe the chimney, this includes practically everything. A building component is considered long-lived if its anticipated physical life is at least as long as the property's remaining economic life. Examples of long lived items are Roof structure, Framing, Foundation.

Short-lived components, however, can either be fixed or replaced. If there is a leak in the hot water heater, it can be more cost-effective to fix it so that it can still be used. It would be beneficial to install a newer, more advanced hot water heater when it has to be replaced.

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Which early psychological perspective was most directly influenced by evolutionary theory?

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The early psychological perspective that was most directly influenced by the evolutionary theory was the Freudian theory

What is Psychology?

This refers to the study of the mind in order to discover and determine the inherent motivation that makes a person act and behave in a certain way.

Hence, we can see that The early psychological perspective that was most directly influenced by the evolutionary theory was the Freudian theory

This is because Sigmund Freud himself was greatly influenced by the Charles Darwin theory and he was fascinated with the Darwinian theory of evolution and made more research on it.

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Which term means inability to recognize the need for care as a result of disorganized thinking?

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The term that means inability to recognize the need for care as a result of disorganized thinking is called Anosognosia. This is a form of mental disorder.

What causes Anosognosia?

Experts believe that agnosia is caused by damage to an area of ​​the brain involved in self-reflection. Everyone, regardless of their health status, is constantly updating their mental image.

Agnosia can be caused by physiological damage to brain structures, usually diffuse damage to the parietal or frontotemporal parietal regions of the right hemisphere, and is therefore a neuropsychiatric disorder.

In 1914, neuroscientist Joseph Babinski first called it a lack of self-awareness.

Can you recover from agnosia?

Agnosia impairs recovery and recovery because patients who lack awareness of deficits may be less willing to participate in rehabilitation to address neurological deficits.

People with agnosia may also suffer more falls because they are unaware of their deficit.

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The country of southernberg is the only producer of oil. this gives southernberg a(n) _____.

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The country of southernberg is the only producer of oil. this gives southernberg  absolute advantage.

What is meant by absolute advantage?

This is the term that is used in economics to refer to the fact that a nation has more advantage at the production of a given resource. That is the nation when compared with another nation would be able to create a product with the use of less resources than what their counterparts would do.

Hence we can say that the country of southernberg is the only producer of oil. this gives southernberg  absolute advantage.

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During the last stage of the purchase decision process, known as ________, a consumer compares a purchased product with his or her expectations. multiple choice question.

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During the last stage of the purchase decision process, known as postpurchase behavior, a consumer compares a purchased product with his or her expectations.

This is further explained below.

What is postpurchase behavior?

Generally, Post-buy behavior is a customer's thoughts, feelings, and actions after they have made a purchase of some kind.

When a consumer reaches this stage, they are determining whether or not they are pleased with the product that they have purchased.

The way that customers feel will play a role in determining whether or not they make more purchases from your company.

A decision-making process is a set of stages done by a person to choose the best alternative or course of action to satisfy their requirements.

These steps may vary depending on the kind of decision-making process being used.

In the context of a company, it refers to a series of activities that are carried out by managers inside an organization to establish the route that will be followed by business initiatives and to put certain measures into motion.

In conclusion, Post-buy behavior is the last step of the purchase decision process, during which a customer evaluates a product based on how well it meets his or her needs and fulfills his or her expectations.

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do you think we all need to help to protect the planet?

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A planet is a celestial frame that (a) is in orbit around the solar, (b) has enough mass for its self-gravity to triumph over inflexible frame forces so that it assumes a hydrostatic equilibrium (almost spherical) shape, and (c) has cleared the neighborhood around its orbit.

The coldest planet in our solar gadget on file goes to Uranus which is toward the solar and 'only' approximately 20 instances in addition away from the sun than the Earth is. the bottom temperature recorded there were minus 224 ranges Celsius.

According to the IAU, Pluto is technically a “dwarf planet,” because it has not “cleared its neighboring region of other objects.” this means that Pluto still has plenty of asteroids and other area rocks along its flight path, in preference to having absorbed them over time, like the larger planets have executed.

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After restoring a pulse in a cardiac arrest patient, you begin immediate transport. while en route to the hospital, the patient goes back into cardiac arrest. you should:_______

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You immediately start transporting a patient in cardiac arrest after reviving their pulse. The patient had a second heart arrest while being transported to the hospital. Your partner needs to be instructed to stop the ambulance.

What brings about cardiac arrest?

When the heart unexpectedly and suddenly stops pumping, it enters cardiac arrest. Blood flow to the brain and other crucial organs is cut off if this occurs. Arrhythmias of a certain kind that stop the heart from pumping blood are the cause of cardiac arrests. A medical emergency is cardiac arrest.

The ideal course of action for cardiac arrest

For the treatment of sudden cardiac arrest, immediate CPR is essential. CPR can act as a lifeline until more sophisticated emergency care is available by keeping the flow of oxygen-rich blood to the body's important organs. Call 911 or immediate medical assistance if someone collapses nearby and you are unable to perform CPR.

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Two reasons why you need instruction in public speaking?

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Answer:

Explanation:

Public speaking training is important as there are various occasions in your professional or social life when you might be called on to speak publicly. You need to do it right and you need to do it effectively. If you are not confident about your own ability in this regard, then it makes sense to take public speaking training. I hope this helps :>

Research suggests that the _______ plays a more important role in working memory in late adolescence than in early adolescence.

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Research suggests that the prefrontal cortex plays a more important role in working memory in late adolescence than in early adolescence.

What is the prefrontal cortex?

This is the term that is used to refer to the part of the human brain that is known to carry out the cognitive function in humans. This is the part that is majorly responsible for memory and all forms of cognitive flexibility in people.

Hence we can say that Research suggests that the prefrontal cortex plays a more important role in working memory in late adolescence than in early adolescence.

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Verses and choruses based on the same music are an example of which formal type?

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Verses and choruses based on the same music are an example of simple verse-chorus.

What is simple verse-chorus?

The straightforward section chorale structure is a minor departure from the ABAB design; however, it's characterized by involving a similar harmony movement for both the refrain and the ensemble. Tunes that utilization a similar congruity (harmonies) for the section and chorale, for example, the twelve-bar blues, however the song is unique, and the verses highlight various refrains and a rehashed ensemble, are in basic stanza melody structure. The section movement is areas of strength for very unsurprising, determinedly in C major. The chorale movement is a lot more limited, so the main genuine distinction among section and ensemble is the length of the movement. Both those movements, coincidentally, would function admirably in a tune.

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what are the demerits of federalism????​

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Answer:

Federalism is a mixed or compound mode of government that combines a general government with regional governments in a single political system, dividing the powers between the two.

 

 

Disadvantages of Federalism

Federal System is a Source of Weakness for the State.

Federalism Prevents Uniformity of Laws.

The Method of Distribution of Powers cannot be Perfect.

Rigidly of the Constitution is Major Disadvantage of Federalism.

State cannot Pursue Strong Foreign and Domestic Policies.

DO NOT HAVE A GOOD DAYHAVE A GREAT DAY!I REALLY HOPE THIS HELPS IF IT DOESNT STOMP MEPLS MARK BRAINLIEST
THE DRAWBACKS OF FEDERALISM. Federalism also comes with drawbacks. Chief among them are economic disparities across states, race-to-the-bottom dynamics (i.e., states compete to attract business by lowering taxes and regulations), and the difficulty of taking action on issues of national importance.

The number of beds that the facility actually has set up, equipped, and staffed is the:_____.

Answers

The bed count is the number of beds that the institution really has set up, furnished, and manned.

What is the significance of patient activation?

A increasing body of data indicates that persons who have higher levels of patient activation (the knowledge, skills, and confidence to become actively engaged in their health care) have better health outcomes.

Level One: Believing that activation is crucial. Level Two: Having the requisite confidence and knowledge to act. Level Three: Taking proactive steps to enhance and sustain health.

Policymakers are divided on what can or should be done to create professional education, sensitivity to unique needs, and assistance in relevant areas.

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Puberty does not normally occur in humans under the age of 8 years, because before that age:_____.

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Answer:

the child has not so much devoloped mental ability to hand the problems and the hypothalamus fails to secret GnRH in a pulsatile fashion

Founding Brothers: The Revolutionary Generation

Analyze the overall impact of George Washington’s leadership on the founding generation.

50 POINTS FOR THIS QUESTION!

Answers

George Washington’s leadership of the founding generation was important as he guided the colonial armies during the American Revolution to victory over the British. He was chosen to lead the Constitution-writing convention. He was chosen as the country's first president and held office for two terms. He oversaw the ratification of the Bill of Rights.

What is leadership?

Leadership is the ability of a person or group to inspire and influence colleagues or other members of an organization.

A key management responsibility is to direct an organization's resources toward improved effectiveness and goal achievement. Effective leaders set clear objectives and inspire and guide their staff to achieve the objectives of the organization.

Finally, it should be mentioned that George Washington's leadership among the founding age was significant in helping the colonial soldiers defeat the British during the American Revolution. He was chosen to serve as the convention's chairman. He was chosen to serve as the first president of the nation and did so for two terms. He handled the Bill of Rights' ratification.

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Based on the results of the national surveys conducted in 2009 that were funded by the kaiser family foundation, identify a true statement about me dia use and screen time in adolescents' lives.

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Based on the results of the national surveys conducted in 2009 that were funded by the kaiser family foundation, identify a true statement about media use and screen time in adolescents' lives media use jumps more than 3 hours in early adolescence.

In line with the brand new model of figure-adolescent relationships, the following is a gain of regular negotiations and minor disputes. They help children emerge as more self-sufficient. that mother and father serve as important attachment figures and assist systems while teens explore a much broader, more complex social global.

Similarities between Anorexia Nervosa and Bulimia Nervosa Behaviors. A preoccupation with weight and body photos is located in each anorexia and bulimia ingesting issue. teenagers with anorexia nervosa or bulimia nervosa may additionally have a severe fear of gaining weight and a wildly inaccurate notion of self.

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There is no formal, centralized system for coordinating or regulating all of the different law enforcement agencies. this decentralization is known as?

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There is no formal, centralized mechanism in place to coordinate or manage all of the various law enforcement organizations. This fragmentation of power is called decentralization.

When data isn't physically written on a drive near enough, it can fragmentation on a hard drive, memory module, or other medium. The term "fragments" is used to refer to those separated, discrete chunks of data.

As you just read, fragmentation are essentially portions of files that are not stored on the drive next to one another. Though it can seem bizarre to consider and like something you would never notice, it is true.

When you create a new Microsoft Word document, for instance, you can view the entire document in one location, such as your Documents folder or the Desktop. fragmentation is available for opening, editing, removal, and renaming in any way you choose. Although it appears like everything is occurring in one location from your vantage point, this is frequently not the case, at least physically, while you are driving.

Instead, your fragmentation is likely only preserving a piece of the file at a time, with the remaining content maybe existing elsewhere on the storage device, possibly far away... relative speaking, of course. Your hard drive swiftly assembles all the bits when you open the file so that the rest of your computer system may use it.

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Complete informed consent is necessary when a research places the participants at greater than ________ risk.

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Complete informed consent is necessary when a research places the participants at greater than minimal  risk.

What is the meaning of informed consent?

This is the term that has to do with the fact that a person would give their consent to a research that wants to have them as a research subject but only after they have being given all of the details that they would need to tell them all that the research entails.

Hence we can say that complete informed consent is necessary when a research places the participants at greater than minimal  risk.

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Elect the statement regarding cluster sampling that is false.
a.) the total population is divided into groups.
b.) every element of some groups is inc

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The given statement, "every element of the total population has an equal probability of being selected," is a false statement regarding cluster sampling.

In cluster sampling, we divide a population into clusters, which are smaller groups, then we choose a sample at random from these clusters.

Often employed to investigate huge populations, particularly those extensively geographically distributed, cluster sampling is a probability sampling technique.

The terms "simple random sample" and "simple random sampling" refer to situations where each subject in the population shows an equal chance of being selected for the sample.

The given question is incomplete, the complete question is

Select the statement regarding cluster sampling that is false.

a) Every element of the total population has an equal probability of being selected.

b) Every element of some groups is included in the sample.

c) Some of the groups are randomly selected.

d) The total population is divided into groups.

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What is the longest time after birth that the apgar test is conducted for the second time? record your answer using a whole number. _______ minutes

Answers

The longest time after birth that the Apgar test is conducted for the second time is after 5 minutes after birth.

What is Apgar score?

Doctors and nurses evaluate babies one minute and five minutes after birth using a scoring system called the Apgar score. One minute and three minutes after birth, newborns are typically given the Apgar score, a common neonatal health evaluation score. The score is based on a number of assessment factors that are intended to evaluate the general health of a baby. The objective of the test are to decrease infant mortality and identify patients who require urgent medical attention.

The test is typically given twice after birth, at different times. One minute after delivery, the first Apgar test is performed. The 1-minute Apgar score is a measurement of the test's outcomes. The 5-minute Apgar score is the name of the second test, which is performed 5 minutes after birth.

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It is suggested that mesmerism could be described as the beginnings of _________________ in america.

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It is suggested that mesmerism could be described as the beginnings of in Psychotherapy America.

What is Psychotherapy?

Psychotherapy is the utilization of mental techniques, especially when in light of normal individual connection, to assist an individual with evolving conduct, increment satisfaction, and beat issues. Psychotherapy intends to work on a singular's prosperity and psychological wellness, to determine or relieve problematic ways of behaving, convictions, impulses, contemplations, or feelings, and to further develop connections and interactive abilities. Various kinds of psychotherapy have been planned either for individual grown-ups, families, or kids and youths. Specific sorts of psychotherapy are viewed as proof based for treating a few analyzed mental issues; different sorts have been condemned as pseudoscience.

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The most a policy will pay for a loss arising out of any one accident regardless of overall policy limits, is known as the:_________

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The most a policy will pay for a loss arising out of any one accident regardless of overall policy limits, is known as the Per occurrence limit - The per occurrence limit represents the most the policy will pay for all losses arising out of any one occurrence, regardless of other policy limits.

What is Per occurrence limit?

Regardless of when a claim is made, an occurrence policy provides lifetime coverage for occurrences that take place within the policy period. Unless a "tail" extension is bought, a claims-made insurance only covers incidents that happen and are reported within the policy's time term. The amount that an insurance will cover for any one incident or claim is determined by per-occurrence limits.

Aggregate limitations specify the maximum amount that will be paid out during the course of the insurance. (The majority of general liability plans last for six months or one year.) The highest amount that a liability insurance provider will pay for all claims stemming from a single occurrence, regardless of the number of people wounded, the amount of property damaged, or the number of potential claimants, is known as the "per occurrence limit.

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8. Identify the city and lies closest to each pair of coordinates
a. 30°N, 90°W
b.
30°N, 30°E
c. 60°N, 30°E

Answers

Cairo is the city that is closest to each pair of coordinates 30°N and 30°E.

What is the location of Cairo?

Cairo, Egypt's massive capital, is located on the Nile River. Tahrir Square and the Egyptian Museum, which houses royal mummies and treasures from King Tutankhamun, are at the heart of the city.

It can be found at the coordinates 30°N and 30°E, as shown in the image.

As a result, Cairo is the city located between the coordinates 30°N and 30°E.

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