Answer: Oil is lighter than water,
Explanation: therefore it floats on it. It would have sunk if it had been heavier than water like iron. Density is a measurement of the amount of mass per unit volume in an object.
hope this was helpful -hailey :)
the ability of material to hold liquid
a brittleness
B conductivity
C flexibility
E magnetic
F malleability
G porosity
plss i need the answer
Answer:
G) Porosity
Explanation:
Porosity is the ability of a material to hold liquid to a certain extent.
. All living organisms are composed of one or more cells.
2. Different cell types develop in a multicellular organism because each cell has its own unique set of genes.
3. Underlying similarities in biochemistry and genetics support the idea that all life evolved from a single ancestor.
4. Molecules in different organisms that perform the same function are likely to have a similar structure.
5. Evolutionary conservation explains the diversity of life.
6. Information stored in inorganic molecules is used to direct the synthesis of cellular components.
7. Cells process information stored in their DNA as well as information they receive from the environment.
8. Organisms are closed systems that require an input of energy in order to maintain their high level of complexity and organization.
9. Homeostasis is possible because elaborate signaling networks coordinate the activities of different cells within an organism.
10. The unity of living systems arises through evolutionary change.
The answers are 1. True 2. false 3. true 4. true 5. false 6. false 7. true 8. false 9. true 10. false
1. True
For something to be a true organism, it must have at least one cell. Viruses are not covered in this.
2. False
DNA is the same in every cell.
3. True
Recent studies have suggested that all living things have descended from a single ancestor, in the case of Thomas Cavalier-theory, Smith's that ancestor would have been the canao flagellated protists.
4. True
DNA, for instance, is a universal molecule that, even in various organisms, continues to serve the same purpose of "creating" the proteins required for an individual's cells.
5. False
Biodiversity, which is brought about by DNA mutations, environmental pressure, and natural selection, provides an explanation for the variety of life.
6. False
In organic molecules like DNA, information is preserved.
7. True
Additionally, the environment can influence how our cells interpret information. An illustration would be that during our body releases large amounts of the hormone testosterone, which increases our heart rate and blood pressure.
8. False
organisms are open systems rather than closed ones.
9. True
The capacity to keep the internal environment in a state of nearly constant equilibrium despite changes in the external environment is known as true homeostasis. The complex signaling networks that exist between various cells in an organism make it feasible.
10. False
The oneness of biological systems emerges from false evolutionary change.
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what is skeletal system?
Answer:
The skeletal system is that related to the bones of our body. It means skeleton. It helps to give a full structure of our body. If there was no skeletal system then we can't stand, write, hold, walk, etc. that are needed for our growth. So, skeletal system is vital for our body to be strong.
dentify the role of the hypothesis in science
Answer:
The hypothesis is your prediction of an experiment that can disprove or corroborate the findings. It is written before the experiment and is the theory of the observation.
Explanation:
The stimulus of a temperature change would NOT cause which of the following responses in a fish? Swimming to a different location Growing extra gills Change in activity level Change in eating habits
Answer:
Growing extra gills
Explanation:
That's impossible
Answer:
growing extra gills is the answer
Which of the following statements about electromagnetic radiation is true?
The shorter the wavelength, the more energy is carried.
The sun produces a low-energy radio waves.
The sun produces high-energy gamma rays.
All statements are correct.
Each of the claims is true. Let's look at the following as an explanation for this:
A wave's energy is directly inversely related to its frequency. As a result, as frequency increases, wavelength decreases and wave energy increases. Solar radiation, which is a subset of the vast range of energy known as the electromagnetic radiation spectrum, is how the entire amount of solar energy that reaches the Earth. Infrared, radio waves, X-rays, gamma rays, ultraviolet light, and visible light are all types of solar radiation. One technique to transport heat is by radiation.
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similarities between ecosystem approach and ecosystem management
Explanation:
balances both human and nature's needs
protect and mange the environment
protecting the earth and its species from potential harm
The similarities between the ecosystem approach and ecosystem management are:
Balances both human and nature's needsprotect and manage the environmentprotecting the earth and its species from potential harmWhat is an ecosystem approach?The ecosystem approach is the term by which the management of the animals and plants and other living resources. The conservation or property use of these resources comes under an ecological approach.
The management of ecological services and biological resources is managed under this management system. This system also sees what extent these resources are using.
Thus, the similarities between them are:
Maintain and manage the environment.Protects the earth and its species from potential harm.Balances human and natural requirements.To learn more about the ecosystem approach, refer to the link:
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why is the earths atmosphere likened to a greenhouse?
Answer:
That's because the glass walls of the greenhouse trap the Sun's heat. The greenhouse effect works much the same way on Earth. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases. earth's atmosphere is like the glass in a greenhouse because sunlight streams through the atmosphere and heats the Earth. As the heat radiates up from the Earth's surface, some escapes into space. The rest of the heat is absorbed by gases in the troposphere and warms the air.Greenhouse gases include carbon dioxide, methane, nitrous oxides, and water vapor. (Water vapor, which responds physically or chemically to changes in temperature, is called a "feedback.") Scientists have determined that carbon dioxide's warming effect helps stabilize Earth's atmosphere.greenhouse gases in the atmosphere absorb some infrared radiation and re-reflect it back to earth. 6. This causes the green house effect and results in an increase in average mean temperatures on earth.Greenhouse gases include carbon dioxide, methane, nitrous oxides, and water vapor. (Water vapor, which responds physically or chemically to changes in temperature, is called a "feedback.") Scientists have determined that carbon dioxide's warming effect helps stabilize Earth's atmosphere
Explanation:
Greenhouse gases include carbon dioxide, methane, nitrous oxides, and water vapor. (Water vapor, which responds physically or chemically to changes in temperature, is called a "feedback.") Scientists have determined that carbon dioxide's warming effect helps stabilize Earth's atmosphere
Question 3 of 10
Which action would most likely lead scientists to develop new explanations
or theories about pathogens?
A. Testing a hypothesis about how certain types of pathogens
interact in a controlled setting
B. Gathering new evidence about how pathogens infect and multiply
in human bodies
C. Researching the most dangerous pathogens and the cures that
have been developed
D. Developing new treatments for illnesses caused by pathogens
Answer:
B. Gathering new evidence about how pathogens infect and multiply
in human bodies
Explanation:
Answer:
B. Gathering new evidence about how pathogens infect and multiply in human bodies.
Explanation:
Got Correct On Assist.
Topic - drug testing
Employers can determine if job candidates or current workers use drugs, including prescription medications, illegal substances, and alcohol, by conducting workplace drug tests.
Drug testing can be important for jobs of athletes, police officers, intelligence officers, surgeons and other medical staff etc.Pros and Cons of workplace drug-testing:
Pros
Encourage your staff to take on more responsibilities.Determine which workers require assistance.Improve the workplace's health and safety.Cons
Drug testing at work can't really be utilized as a safety precaution because they don't track drug use in real time. When they are aware that they will be subject to a drug test, many job applicants just stop using drugs.Drug tests are not always reliable.A business should take into account the following four important aspects when thinking about any employment screening program:
costrisk reductionspeedcandidate experienceBusinesses that emphasize risk reduction should seriously consider implementing a drug-free workplace policy. Drug testing can shield workers from harm and boost output in addition to being beneficial in preventing accidents, health problems and costs, absenteeism, and litigation.Drug testing, however, can also be pricey, slow down the hiring process, and have a bad impact on the candidate experience.If someone has a false positive drug test and they are confident that they don't do drugs, then they should be given another chance on the basis of their past medical history.
The company should bear the costs of the test since it was in their policy for all the candidates to undergo the test. Exceptions can be made based on their past medical record.
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Study the equation for photosynthesis.
6 C O 2 plus 6 H 2 O right arrow C 6 H 12 O 6 plus 6 O 2. Above the arrow is light energy. Below the arrow is chlorophyll.
A scientist notices an increase in the glucose production in the plants he is studying. What are the possible reasons? Check all that apply.
The plant was exposed to more intense light.
The plant was exposed to less intense light.
The plant absorbed more carbon dioxide.
The plant absorbed less carbon dioxide.
The plant absorbed more oxygen.
The plant absorbed less oxygen.
The possible reasons for an increase in glucose production in the plants would be the exposure to more intense light and the absorbance of more carbon dioxide by the plant.
PhotosynthesisThe equation of photosynthesis is as below:
[tex]6CO_2 + 6H_2O --- > C_6H_1_2O_6 + 6O_2[/tex]
Light is important in order for the reaction to proceed.
When it comes to factors that affect the rate of formation of products in a reaction, the concentration of reactants plays a major role.
Thus, for more glucose to be formed according to the equation, more reactants will be needed. One of the reactants is carbon dioxide.
Increasing the concentration of the reactants will not be enough if the amount of light necessary to drive the reaction is not increased accordingly.
Thus, exposing the plant to more intense light and the plant absorbing more carbon dioxide are two key instruments for more glucose production.
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Answer:
A & C
Explanation:
Correct on edge 2022
3.1 What do you observe? when lighting a plastic shopping bag square
Different amounts of light pass-through matter when it moves through it in different ways. Almost all of the light shining on transparent things can pass through them. Transparent items include glass, air, and clear plastic.
Burning plastics endangers flora, human and animal health, and emits hazardous chemicals into the environment, including dioxins, furans, mercury, and polychlorinated biphenyls (BCPs). Burning plastic releases extremely dangerous pollutants that greatly raise the risk of cancer, respiratory diseases, and birth problems. Additionally, it might seriously harm the hormonal system and internal organs. If the stench is bad, it could stay there for a few days. It might, however, improve a few hours later.
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PLEASE HELP DUE SOON! IM SO CONFUSED!
Write a brief story about Timmy, who accidentally walked into a rose bush, describing the reflex arc in biology 30 level detail.
When Timmy steps on the rose bush, the sensory receptor on his toe receives the stimuli, sends it the spinal cord through a sensory neuron which they initiates a response sent through a motor neuron to the muscle and he withdraws his leg in pain.
What is a reflex arc?A reflex arc refers to the neuronal pathway which controls a reflex action.
A reflex action is an action which occurs involuntarily.
Examples of reflex actions include thhe following:
withdrawing the foot quickly when one steps on a sharp objectwithdrawing the hand quickly when one touches a hot surfacethe je_rking of the kneecoughing or sneezing, when irritants enter the nostrils.Reflex actions do not need to involve the brain, hence they occur very quickly.
The path of a reflex arc begins with a sensory receptor which receives the stimuli, travels to the spinal cord through a sensory neuron which they initiates a response that is sent through a motor neuron to an effector such effector such as a skeletal muscle.
In conclusion, a reflex arc is the path of a reflex action through the body.
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Explain why the researcher chose to use the quadrat method rather than
mark and recapture to sample the coral population.
The researcher chose to use the quadrat method rather than mark and recapture to sample the coral population because corals are sessile, which means they are immobile. For a sample that exhibits mobility, the mark recapture approach is employed. i.e., being movable.
Quadrat Method- In ecology, geography, and biology, a quadrat is a frame that is typically square and is used to isolate the standard unit of space for the study of an item's distribution over a vast region.
Mark Recapture Technique- When it is impracticable to count every person in a population, the Mark-Recapture approach is employed to estimate its size.
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What types of measurements can Susie make on the plants to determine how they did in different types of light
The height of the plant under different types of light should be measured.
What is the height of the plant?In an experiment, we seek to determine how a cause leads to an effect. In this case, Susie is trying to know the effect of different types of light on the growth of a plant.
It is true that the easiest way to measure the growth of the plant is to look at the height of the plant. This shows us the extent to which the plant grows.
Let is recall that in this case, the height of the plant is the dependent variable while the kind of light is the independent variable. As the kind of light is changed, the height of the plant which is an indicator of the growth of the plant changes also and this is the crux of what Sarah is studying.
Thus, the type of measurement that Susie should make on the plants to determine how they did in different types of light is to measure the height of the plant under the different types of light.
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Which micropipette would you use to transfer 9uL?
A. Range 1.0-10uL
B. Range 2uL-20uL
C. Range 100uL - 1000UL
D. Range 10uL-200UL
A pipette of range 1.0-10uL is the most appropriate for taking a volume of 9 uL. So the correct option is A
What are micropipettes?
In the lab, micropipettes are used to transfer tiny amounts of liquid, typically less than 0.1 uL. In addition to other labs, they are most frequently employed in chemistry, biology, forensics, pharmaceutical, and drug development. There are various sizes of micropipettes commonly used in the laboratory.
Micropipettes vary in size and volume dispensed, and based on those two factors, they also need various pipette tips. Micropipettes aspirate liquid using a disposable pipette tip; take note that only the tip of the pipette comes into touch with the solution. For each sample, a fresh tip is used to avoid cross-contamination.
The quality of a pipette tip is the most important factor to consider. Whether one is searching for a filter, low retention, or gel loading tip, it should be made sure that the pipette tip will function as accurately and precisely as the micropipette. The purity of your pipette tips should be checked.
Therefore the correct option is A.
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how do the hypothalamus and pituitary gland interact to control the release of the some of the hormones in the endocrine system
Answer:
Your hypothalamus communicates with the anterior pituitary lobe via hormones and the posterior lobe through nerve impulses. Through the stalk.
Which of the following shows the proper way to write a scientific name
using the "rules" I lectured about?
how many characteristics of life the rabbit displaying?
Characteristics of life the rabbit displaying regardless of their gender or breed type, rabbits can be silly, timid, shy, curious, and high spirits.
Regardless of their gender or breed, rabbits can be silly, timid, shy, inquisitive, and lively. You must comprehend your rabbit's wants if you want to maintain them healthy and content throughout their life. Many domestic rabbits can live up to 12 years old, and the majority of them can easily reach the age of 8 years.
Rabbits are excellent indoor pets. They can be trained to go in the home, are affectionate, and naturally clean. Although it's a misconception that house rabbits are low-maintenance pets, they actually need a lot of care and attention. Rabbits are gregarious and inquisitive creatures that make wonderful pets.
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Use the Internet to find the SDS for regular bleach (sodium hypochlorite, 4-6%).
Identify each of the following items on the SDS:
Physical state
Routes of exposure and symptoms
Required protective equipment
First aid procedures
Fire-fighting measures
Chemical reactivity
Safe storage
Safe disposal
Environmental precautions and ecotoxicity
Spill cleanup procedures
Record the SDS information for each of the items listed in step 2 into Data Table 2.
The features of Safety Data Sheet (SDS) for regular bleach (sodium hypochlorite, 4-6%) is illustrated below.
What is Safety Data Sheet (SDS)?The Safety Data Sheet (SDS) is defined as an occupational safety and health sheet used as a source of information concerning harmful chemical substances in order to avoid life threatening situations while using them.
The following can be identified in the Safety Data Sheet (SDS) for bleach (sodium hypochlorite, 4-6%).
Physical state: clear light yellow green liquid.
Routes of exposure and symptoms: Eyes, skin, mucous membranes. Causes eye and skin irritation and possible burns.
Required protective equipment: Eyes;Wear chemical splash goggles. Skin; Wear appropriate protective gloves to prevent skin exposure. Clothing; Wear appropriate protective clothing to prevent skin exposure
First aid procedures: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Fire-fighting measures: As in any fire, wear a self-contained breathing apparatus in pressure-demand and full protective gear.
Chemical reactivity: Sodium hypochlorite solutions decompose slowly at normal temperatures releasing low concentrations of corrosive chlorine gas. Decomposition is influenced by temperature, concentration, pH, ionic strength, exposure to light and the presence of metals.
Safe storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safe disposal: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste.
Environmental precautions and ecotoxicity
Environmental precautions and ecotoxicitySpill cleanup procedures: It has not been proven to be a treat to the environment.
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What dependent variable did the scientists measure?
Answer:
The dependent variable is the variable that is being measured or tested in an experiment.
Explanation:
For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores since that is what is being measured.
150-word explanation of how different types of dietary fat affect our cardiovascular health.
Dietary fats are rich in lipid composition. They lower the good cholesterol and contribute to bad cholesterol in the blood stream. This narrows the lumen of the arteries and hence is responsible for various heart ailments.
What are cardiovascular diseases?Cardiovascular diseases are the heart related disorders in which the functioning of the heart is affected.
Cardiovascular diseases are mainly the outcome of poor heart heath due to poor dietary habits, lack of exercise and stress. High consumption of fatty food also contributes to cardiovascular diseases.
Hypertension, Angina, coronary artery diseases, Atherosclerosis are some of the cardiovascular diseases.
Thus, cardiovascular diseases require a timely management for healthy life.
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Click the link below to access the prompt options for this writing task. Review the 8 prompt choices, and then choose which ONE prompt you will respond to for this essay. Prompt Choices: Genetics and Ethics Argumentative Essay Prompts.pdf After choosing your prompt, copy/paste the following questions and type your responses in the box below. 1) Which prompt are you choosing for this writing assignment? 2) Who is the audience for your argumentative report? 3) How many paragraphs should your report be? 4) True/False. You should cite reliable sources (like .edu, .org) in your report.
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Explanation:
select all that apply. Which organisms are in competition for mangrove tree crabs?
a.) snook (fish)
b.) alligator
c.) ghost shrimp
d.)cuckoo(bird)
Organisms in competition for the mangrove tree crabs in a mangrove ecosystem;
alligatorcuckoo(bird)What is the mangrove?The mangrove is a swampy area that is filled with a lot of shrubs and is home to a large number of organisms. The feeding relationships in the mangrove also involve predator and prey relationships just as you have in other ecosystems.
The ecosystem is a self supporting system in which there is an exchange of materials and energy. We know that predation is a situation in which one organism feeds on another. This is an intricate part of the food chain in every ecosystem. The mangrove ecosystem is filed with a lot of these myriads of predator prey relationship in the ecosystem.
The following are the animals that are in competition for the mangrove tree crabs in a mangrove ecosystem;
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When 2 or more spheres are changing matter or energy they are _________?
The correct answer is energy flow.
The principles of energy flow that govern how matter and energy move between the many domains are unique to each one. Energy goes from the perimeter to the center of a sphere, while matter moves from the center to the periphery.
The movement's speed and the separation between the spheres are the two main determinants of energy flow. The distance between the spheres determines the pace of matter movement, whereas the distance between the spheres determines the speed of energy movement.
The amount of energy that is available to be utilized in a certain situation depends on the pace at which energy is moving.
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The Green Revolution changed agricultural methods and
allowed farmers to produce more food than ever before.
However, many scientists argue that these methods are
not sustainable.
Which action would be most likely to limit future developments in science and
engineering related to agriculture?
OA. People vote to remove government funding for research about
genetically modified crops.
B. Private companies decide to provide more money to study the use
of pesticides on crops.
C. Governments remove restrictions on research regarding
genetically modified food.
D. Scientists publish more evidence in support of modern farming
methods.
The action that would be most likely to limit future developments in science and engineering related to agriculture People vote to remove government funding for research about genetically modified crops. Option A
What is the Green Revolution?We would all agree that the increase in the agricultural output is the basis of the Green revolution. Food production and food sufficiency have always been at the bedrock of the development of any economy even in the developed countries.
Science and technology have become massive applied in Agriculture in order to increase the tendency of many countries towards food sufficiency. The action that would limit future developments in science and engineering related to agriculture is; people vote to remove government funding for research about genetically modified crops.
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To vaporize water, which means turning liquid water into a
the ___
bonds between water molecules must be
This requires a lot of heat ______, which is great for
life on Earth, as it means most water is found as a
To produce starch, glucose molecules bond together and release a water molecule through which process?
O photosynthesis.
O cellular respiration.
O nucleotides.
O dehydration synthesis.
To produce starch, glucose molecules bond together and release a water molecule through dehydration synthesis. Therefore, option (D) is correct.
To produce starch, glucose molecules undergo a process called dehydration synthesis. During dehydration synthesis, two glucose molecules bond together, and a water molecule is released as a byproduct. This reaction is also known as a condensation reaction, as the joining of two molecules results in the formation of a larger molecule and the release of water.
In the case of starch formation, multiple glucose molecules link together through dehydration synthesis, creating a long chain of glucose units, which is the structure of starch. This process is essential in the synthesis of various biological molecules, including carbohydrates, proteins, and lipids, where smaller subunits are joined together to form larger macromolecules through the removal of water molecules. Therefore, option (D) is correct.
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4. Choose the best answer.
The atmosphere is a(n) _______ system.
O triangular
O closed
O open
O man-made
Answer:
Explanation:
o closed you wouldn’t want random gases mixing together
Which of the following is true of corporate crime??
Multiple Choice
They are more likely to be treated unfairly in the prison system
. The label "corporate criminal" carries a greater stigma than "felon convicted of a violent crime."
Conviction generally does not harm the person's reputation or career aspirations as much as conviction for a street crime would.
The offender is more likely to receive a prison sentence than a fine.
The correct option is C.
A conviction particularly does not harm the person's reputation or career aspirations as much as a conviction for a street crime would be true about Corporate crime.
Corporate crime, also known as organizational crime, is a sort of white-collar crime committed by people while they are performing their legal jobs for the advantage of the company that employs them. These people typically do not believe themselves to be criminals or that their actions are criminal and it is as much as a conviction for a street crime would.
Street crime can involve crimes that take place in both public and private settings, as well as acts of interpersonal violence and property crime. It is frequently divided into distinct types. Street crime can involve violent crimes like murder, assault, robbery, and arson, according to the Bureau of Justice (BJS). In addition to violent crimes, street crime also encompasses property crimes, including auto theft, breaking and entering, arson, and burglary.
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