Answer:
D.) a caption
Explanation:
The thing that should be added to this slide to make it more effective is the speaker’s notes.
What are notes?This are said to be what a person must have written or jolt down.
Note that in the above sentence of The thing that should be added to this slide to make it more effective is the speaker’s notes is true because a short note on the topic will explain the caption above.
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why do scientists observe blueshift in certain stars?
The Doppler effect allows finding the answer for the blue shift of some stars is:
The star closing in on us
The Doppler effect is the change in the frequency perceived by the relative movement of the emission and the receiver, in the case of light we must use relativistic relations and the expression is
[tex]f = f_o \sqrt{\frac{1- \frac{v}{c} }{1+ \frac{v}{c} } }[/tex]
Where f and fo are the observed and emitted frequencies, respectively, c the speed of light and v the relative speed between the source and the observer, this speed is positive if they move away and negative if they approach.
The speed light is related to frequency and wavelength
c = λ f
[tex]f = \frac{c}{ \lambda}[/tex]
we substitute
[tex]\frac{1}{\lambda } = \frac{1}{lam_o } \ \sqrt{\frac{1- \frac{v}{c} }{1+ \frac{v}{c} } }[/tex]
[tex]\lambda = \lambda_o \ \sqrt{ \frac{1+ \beta }{1- \beta } }[/tex]
with [tex]\beta = \frac{v}{c}[/tex]
The magnitude of β is always less than 1
Let's analyze the effect of the speed between the observer and the emitter on the perceived wavelength, we have two:
The two bodies are moving away, in this case the velocity is positive, let's substitute[tex]\lambda_1 = \lambda_0 \ \sqrt{\frac{1+| \beta|}{1- |\beta|} }[/tex]
We can see that the numbering of the root increases and the dominated decreases, so the root increases its value, consequently
[tex]\lambda_1 > \lambda_o[/tex]
This process is called redshift.
The two bodies are approaching, in this case the velocity is negative, we substitute
[tex]\lambda_2 = \lambda_o \ \sqrt{\frac{1- |\beta| }{1+ |\beta| } }[/tex]
We see that the root decreases its value, consequently
[tex]\lambda_2 < \lambda_o[/tex]
This is called the blueshift.
In this exercise, indicate that we have a blueshift, which is why the star is approaching us.
In conclusion, using the Doppler effect we can find the answer for the blue shift of some stars is:
The star closing in on us
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Answer:
Redshift and Blueshift Quick Check
Explanation:
1. B,C or Observer A and Observer B are moving at different speeds relative to each other.
Observer A is stationary and Observer B is moving.
2. A or when the object is moving away from the scientist
3.A or Light wave frequencies increase as an object moves toward the observer.
100% correct
Use the drop-down menus to complete the sentences. are specifically listed in the US constitution. Unenumerated rights are protected by the Amendment.
Enumerated rights are specifically listed in the Constitution. Unenumerated rights are protected by the Ninth Amendment.
The Ninth Amendment clearly indicates that the list of rights listed in the Constitution is not exhaustive, and that the rights established in other sources remain valid regardless of whether they are mentioned in the Constitution.
Thus, it is understood that there are two types of rights: the enumerated rights, that are those explicitly mentioned in the Constitution, and on the other hand, the non-enumerated rights, that are those not named in the constitution but protected by the Ninth Amendment.
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Answer:
enumerated rights, ninth
Explanation:
which of the following is true about natural steroids
Answer:
natural steroids are compounds that mimic the steroids that human bodies naturally produce, such as the hormones testosterone, progesterone, and cortisol
Explanation:
They are safe substitutes for anabolic is true about natural steroids. Hence, option B is correct.
What is meant by natural steroids?Natural steroids, which can be found in plants, herbs, and other natural sources, are chemicals that resemble human hormones or steroids. In the body, natural steroid proponents claim their medications behave similarly to anabolic steroids. These are compounds that help to increase testosterone synthesis and support the development and repair of muscle.
The natural steroid hormones are normally produced from cholesterol by the gonads and adrenal glands. The hormones in these forms are lipids.
A number of physiological functions, including the immune system's response to stress, the metabolism of proteins and carbohydrates, blood electrolyte levels, the regulation of inflammation, and behavior, are influenced by natural steroids.
Thus, option B is correct.
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The options are missing-
A) They are illegal to use in most sports
B) They are safe substitutes for anabolics
C)They do not work better than high protein foods
D)They will bulk up muscles just like anabolics
determine the x- and y-intercepts of the graph of x + 3y = 9 . then plot the intercepts to graph the equation.
Answer:
the x-intercept is (9,0) and the y-intercept is (0,3)
then you must plot them
Explanation:
x-intercept is when y=0
y-intercept is when x=0
you're working with an experienced associate walmart
Which of the following is a product of cellular respiration? Carbon dioxide Glucose Mitochondria Oxygen
Answer:
Carbon Dioxide
Explanation:
It is the only one that is a product of cellular respiration
The product of cellular respiration is carbon dioxide. The correct option is A.
What is cellular respiration?Cellular respiration is a type of chemical reaction that disintegrate glucose to generate Energy, which can be utilized as energy to power numerous reactions all through body.
Cellular respiration is comprised of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.
The mitochondrial energy is stored as potential energy in compounds adenosine triphosphate (ATP). The main compound generated in cellular respiration is ATP, with carbon dioxide as a byproduct.
The common measure in which the energy released during respiration is stored is ATP.
While most aerobic respiration occurs in the cell's mitochondria, anaerobic respiration occurs in the cell's cytoplasm.
Thus, the correct option is A.
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which of the following best illustrates ecological succession
Since slope is calculated using the formula m = StartFraction v 2 minus v 1 Over x 2 minus x 1 EndFraction, the slope of both lines is equivalent to ________. It is given that the lines are parallel, and we calculated that the slopes are the same. Therefore, parallel lines have the same slopes. StartFraction v minus z Over w minus x EndFraction StartFraction w minus x Over v minus Z EndFraction StartFraction v minus z b Over x minus z a EndFraction StartFraction w minus x a Over v minus z b EndFraction
Answer:
Being equivelent gives them paralell lines on a graph.
Explanation:
They cross the same slope
identify at least five (5) pure substances found in nature in the supermarket
A graph titled Cost of Erasers. The x-axis shows the number of erasers, numbered 1 to 9, and the y-axis shows the total cost in dollars, numbered 0.5 to 4.5. Blue diamonds appear at points (1, 0.5), (2, 1), (3, 1.5), (4, 2), (5, 2.5), (6, 3), (7, 3.5), (8, 4), (9, 4.5). The graph shows the relationship between the total cost and the number of erasers bought at the student store. Which statement is true? Each eraser costs $1.00. Each eraser costs $1.50. Three erasers cost $6. Seven erasers cost $3.50.
Answer:
D. 7 erasers cost $3.50.
Explanation:
Answer:
D!
Explanation:
A student performs a lab measuring the velocities of toy cars of different masses. A 3 column table with 5 rows. Column 1 is labeled Car with entries Car 1, Car 2, Car 3, Car 4, Car 5. Column 2 is labeled Mass in kilograms with entries 5, 5.5, 6, 6.5, 7. Column 3 is labeled Velocity in meters per second with entries 2.2, 2, 1.35, 1.90, 1.35. Which cars have the same magnitude of momentum? Check all that apply. car 1 car 2 car 3 car 4 car 5
Answer:
car 2 and 4 apply because they are the only things that really need to be tested
Answer:
Car 2, and Car 4 were not the answer for me.
Explanation:
which of the following is not a heterogeneous mixture
Answer:
apples juice, salad oil, salt water
Explanation:
Alberto is making a budget. He owes a cell phone bill of $60 per month for 23 more months, plus the fees for any extra usage such as text messaging or extra minutes. Which of the following is the correct category for this expense? a. Essential (flexible) expense b. Emergency fund c. Essential (fixed) expense d. Non-essential expense Please select the best answer from the choices provided A B C D
Answer: A. Essential (flexible) expense.
Explanation:
Edge 2021
a group of 625 students has a mean age of 15.8 years with a standard deviation of 1.2 years. the ages are normally distributed. about how many students in this sample are younger than 17?
Answer: 16.2-15.8/0.6=0.6667. Use normalcdf() to find the percentage from -999 to 0.6777 which is 0.7476*625=467
Explanation:
what would happen if the earth continued to rotate but it did not revolve around the sun?
Answer:
Without the heat of the sun the earth would freeze, ultimately resulting in extreme environmental/climate change and ofcourse, certain death for the organisms on earth.
Explanation:
Organisms on earth require the sun for survival, not only does it keep us warm but we need the vitamins. So do animals and plants.
A Venn diagram can be used to compare and contrast nucleic acids. A diagram shows 2 overlapping circles labeled R N A and D N A. R N A is labeled A, D N A is C, and the area of overlap is B. Which characteristic would be correctly found in B? contain ribose consist of two strands made of nucleotides have an R group
Answer:its c
Explanation:thank me later
Answer:
C
Explanation:
The one above me is right.
Revisit the article. How was the Klan able to become influential in states like Alabama, Colorado, and Oregon? What strategy did the Ku Klux Klan use to dominate local and state politics? The Klan made each member get ten people to vote for Klan members in elections. The Klan made at least twelve members from each district run for local office. The Klan made members recruit voters from surrounding states to vote in local elections.
The strategy the Ku Klux Klan used to dominate local and state politic was:
B. The Klan made at least twelve members from each district run for local office.The Ku Klux Klan were a group of white supremacists who were offshoots of Americans who were opposed to ending slavery and as a form of rebellion, they:
Attacked blacks in their homesPhysically prevented some blacks from votingLed crusades against blacks and even went as far as burning crosses in front of their homesMade sure that their members were in positions of power in government so that they could further oppress blacksAs a result of their desire to gain control and be more powerful, they made sure that their members were elected into political office
Therefore, the correct answer is option B
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Answer:
It's A
Explanation:
The following question is based on your reading of 1984 by George Orwell. How are Winston’s actions thoughtcrime?
Answer:
His actions are considered thoughtcrime because he is expressing his thoughts of rebellion in his journal
un alambre de telefono de 120 m de largo y de 2.2 mm de diámetro
Answer:
a telephone wire 120 m long and 2.2 mm in diameter
Explanation:
Who was Johann Gutenberg? a. the inventor of the moveable printing press b. a famous woodcut artist c. an artist known for his shading ability d. all of the above Please select the best answer from the choices provided A B C D
Johann Gutenberg can be said to be: a. inventor of the moveable printing press.
Who was Johann Gutenberg?Johannes Gensfleisch zur Laden zum Gutenberg was born in Germany in Mainz, Rhine-Main area. He was the youngest son of Friele Gensfleisch zur Laden, the patrician merchant.The German inventor and printer, Johann Gutenberg, is credited for introducing the mechanical movable-type printing press to Europe.Therefore, Johann Gutenberg can be said to be: a. inventor of the moveable printing press.
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Johann Gutenberg was the inventor of the moveable printing press. The correct option is a.
What is printing press?The tool used to print text and images on paper or other materials is called a printing press.
It is a mechanical device that transfers ink by exerting pressure to an inked surface that is resting on the print medium. One of the most significant discoveries in human history is the printing press.
The mechanical moveable type printing press, which Johann Gutenberg of Germany invented in the 15th century and is often credited with creating, revolutionised printing and increased public access to books and other printed materials.
He might have had talent in other artistic disciplines, but he is best remembered for his contributions to the printing industry.
Thus, the correct option is a.
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Where does this case go next? the federal court of appeals the US Supreme Court the state supreme court the state district court
Answer:
Federal court of appeals
Explanation:
EDGE 2021
The next place where the case will go is : ( A ) The federal court of appeals
Levels of the federal court systemThe federal court system is divided into three levels which are ; The trial courts, the circuit court ( court of appeal ) and the supreme court. After a case is tried in the trial court ( district court ) it is moved to the court of appeal which is the first level of appeal.
Therefore we can conclude that The next place where the case will go is : ( A ) The federal court of appeals.
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Read the passage. I lazily flipped through the pages of my textbook and yawned. "Too bad I can’t be more like my brother," I thought. He is very studious and a bit of a perfectionist, and he’s always anxious to learn new things. It’s hard to believe that anyone can be that focused. But me? Well, that’s a different story. I am much more likely to spend my time daydreaming. Which phrase from the passage is an example of indirect characterization? a bit of a perfectionist anxious to learn new things can be that focused lazily flipped through the pages
Answer:
its d
Explanation:
Answer:
Your answer is D.
Explanation:
deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars every day. although the actual process also requires water, a simplified equation (with rust shown as fe2o3) is:
Rusting is a very expensive process to humans and is represented by the simplified equation of: 4Fe + 3O₂ → 2Fe₂O₃ .
At the basic level, rust occurs when iron comes into contact with air (oxygen) and they both react to form Iron Oxide which is the chemical name for rust.
The equation is:
Iron + Oxygen → Iron Oxide
4Fe + 3O₂ → 2Fe₂O₃
In conclusion, the simplified equation for rust is 4Fe + 3O₂ → 2Fe₂O₃.
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which of the following numerical expressions gives the number of particles in 2.0g of ne?
Answer:
number of particles = 2.0g*(6.5× 10^23 particles / mol) / 20.18g/mol
Explanation:
step 1. Data given
mass of ne = 2.0g
molar mass of neon = 20.18g/ mol
How did Martin Luther start the Protestant Reformation? by giving a speech in a square in a small town by handing churchgoers fliers during a service by writing a list of grievances about the Church by printing his beliefs in a newspaper in Wittenburg
Answer:
by writing a list of grievances about the Church
Explanation:
took the quiz
Mr Martin Luther started the Protestant Reformation by writing a list of grievances about the Church.
What is Protestant Reformation?Protestant Reformation refers to a religious reform movement that happened through the Europe in the 1500s
Martin Luther believed that the Bible is the central source of religious authority, that salvation is reached through faith and this shaped the core of Protestantism.
Hence, Mr Martin Luther started the Protestant Reformation by writing a list of grievances about the Church.
Therefore, the Option C is correct.
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the function below takes one parameter: a list of strings (string_list). complete the function so that it prints out each string on a separate line.
The required program which prints each letter of a string on a Seperate line written in python 3 is as follows :
def strings(string_list):
#initialize a function named strings which takes in one parameter.
for i in sl :
#the for loop iterates through each letter in the parameter passed into the function
print(i)
#display each letter of the string.
The function can be called using the example below and the output ia also attached.
strings(cup)
Hence, the program.
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Read the excerpt from Midnight Assassin. At the coroner’s inquest, most of the Hossacks and their neighbors were tight-lipped about their knowledge of the turbulent family history. In 1900, communities largely ignored or tolerated domestic abuse, and no significant public discourse on the issue existed. Which words support the idea that the excerpt is an opinion? most, largely, no significant ignored, tolerated, existed Hossacks, neighbors, abuse tight-lipped, ignored, issued
Answer:
A.mostly, largely, no significant.
Explanation:
edge 2021
The words which support the idea that the excerpt is an opinion are: A. mostly, largely, no significant.
What is an opinion?An opinion can be defined as a sentence (statement) that is typically written by a writer as a conjecture or thoughts on a subject matter, in a bid to prove, or support an argument.
Based on the excerpt from "Midnight Assassin," we can infer and logically conclude that the words which support the idea that the excerpt is an opinion are:
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When applying for a job, you should not _____. a. dress appropriately b. project confidence c. use slang d. have references ready
the answer is : c. use slang
An online store sold a gift basket at five different prices and recorded the number of gift baskets that were sold at each price. The results are shown in the scatterplot. A graph titled Price versus Gift Baskets Sold has Price (dollars) on the x-axis, and Gift Baskets Sold on the y-axis. Points are at (40, 89), (45, 80), (52, 80), (65, 60), and (83, 50). Which statement is correct based on the scatterplot? There is no relationship between price and gift baskets sold because the points do not form a straight line. There is no relationship between price and gift baskets sold because there are multiple prices at which 80 gift baskets were sold. There is a relationship between price and gift baskets sold, and the relationship is that as the price increases, the gift baskets sold increases. There is a relationship between price and gift baskets sold, and the relationship is that as the price increases, the gift baskets sold decreases.
Answer:
D
Explanation:
I believe that the answer would be D, there is a relationship between price and gift baskets sold, and the relationship is that as the price increases, the gift baskets sold decreases.
Despite the fact that there is an outlier, the point representing the 80 gift baskets sold at $52, there is still a pattern which shows that as the price of the baskets increases, the number of sales decreases based on the other points.
Answer:
Answer is d
Explanation:
:)
What does the underlined word mean in the following sentence? El arqueólogo está mirando esos dinosaurios. architect archaelogist actor carpenter
The Spanish word "arqueólogo" best translates to archaelogist.
The world arqueólogo is a Spanish word which refers to the study of human activity through the analysis of material culture.
The underlined word in the sentence is "El arqueólogo está mirando esos dinosaurios"The Spanish word arqueólogo is best translated to the word "archaelogist" in EnglishIn conclusion, the word that best mean the underlined Spanish word in English is "archaelogist"
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Answer:
B archaelogist
Explanation:
