Answer:
the gravity keeps a huge distance between them
Most stars are not destroyed in a galaxy collision as galaxies are mostly empty space. The correct option is D.
What is galaxy?A galaxy is a massive cloud of gas and dust, as well as billions of stars and their solar systems.
Gravity holds a galaxy together. In the center of our galaxy, the Milky Way, there is also a supermassive black hole. When you look up at the stars at night, you can see other stars in the Milky Way.
If we used today's best technology to make the most basic estimate, we'd say there are 170 billion galaxies in our Universe.
Although the procedure of a galaxy collision reorganizes the stars into new structures (first tidal tails, then elliptical galaxies), because the space between stars is so large, it is extremely unlikely that even a single star collided with another star during this process.
Thus, the correct option is D.
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A university that attracts bookshops, pizzerias, and well-educated residents is an example of which urban growth model?
Harris and Ullman’s multiple-nuclei model
Burgess’s concentric zone theory
Hoyt’s sector model
Harris’s peripheral model
Christaller’s central place theory
Harris and Ullman's Multiple Nuclei Model.
What three psychologists agreed that psychology ought to be solely concerned with objective, observable behavior? 1. Ivan Pavlov 2. B.F. Skinner 3. Sigmund Freud 4. John Watson 5. Edward B. Titchener 6. William Wundt
Ivan Pavlov, 2. B.F. Skinner, and 4. John Watson all agreed that psychology should be solely concerned with objective, observable behavior. Pavlov was a Russian physiologist who is known for his work on classical conditioning, in which he demonstrated that animals can learn to associate certain stimuli with specific responses. Skinner was an American psychologist who developed the theory of operant conditioning, which states that behavior is determined by its consequences. Watson was an American psychologist who is known for his work in the field of behaviorism, which emphasizes the study of observable behavior rather than mental processes
Most fossils form when organisms that die become?
A.
preserved in tar.
B.
preserved in ice.
C.
preserved in tree sap.
D.
buried in sediments.
Answer: Answer straight D
Explanation:
3. Explain the controversy over mining. Why do some people want to
continue to mine for coal while others do not.
Answer:
look below
Explanation:
The rapidly increasing use of coal in the late nineteenth century required hundreds of thousands of workers to dig that coal out of the ground, sort and load it into railroad cars, and ship it to the urban and industrial centers that consumed it. Most coalfields were sparsely populated compared to the cities they supplied. Workers had to be recruited and lured to the coal camps. Company representatives traveled across the agricultural south, recruiting Black workers from former plantation areas as a new wave of white violence followed the collapse of Reconstruction. Recruiters also went to struggling towns in Southern and Eastern Europe, paying voyage fares for men who promised to work in the coal mines on arrival. By the turn of the twentieth century, close to half a million workers—mostly men and boys, but also some women in smaller, family mines—toiled in the American coalfields.The reality of the coal camp often looked very different from what had been promised. Pay was low, and the company, which often owned miners’ housing and ran the supply store, frequently controlled their cost of living. Miners were paid by the ton, and conflicts frequently arose over the process of weighing the coal. The industry’s cyclical nature meant that mining employment also could be irregular and precarious. Coal camp living conditions were often squalid, with social life dominated by the company and basic freedoms of speech, movement, and assembly restricted by private mine guards and company-paid sheriffs.Mining coal was incredibly dangerous work. During the industrial coal boom between 1880 and 1923, more than 70,000 miners died on the job. Many more perished from occupational diseases, but weren’t tallied in official statistics. Miners were crushed to death in roof collapses, killed by gas explosions and by machinery, and more. In the first decade of the twentieth century, three major mine disasters—one each in Utah, West Virginia, and Pennsylvania—killed 201, 362 and 239 miners respectively. The West Virginia and Pennsylvania disasters occurred within two weeks of each other in 1907, during the winter period that miners called “explosion season” because the dry air amplified the dangers from methane and coal dust. More common were deadly and frequent disasters that took miners’ lives in ones and twos, but never made headlines. As urban energy intensification made cities safer, healthier, and more convenient during the Progressive Era, the everyday violence of the energy system was largely hidden from view in rural mining communities.
A) Briefly explain one major difference between Wineapple's and Brinkley's historical interpretation of Manifest Destiney.
B) Briefly explain how one historical event or development in the period 1848 to 1861 that is not explicitly mentioned in the excerpts could be used to support Wineapple's interpretation.
C) Briefly explain how one historical event or development in the period 1848 to 1861 that is not explicitly mentioned in the excerpts could be used to support Brinkley's interpretation
(A) One major difference between Wineapple's and Brinkley's historical interpretations is that both authors believe that Manifest Destiny played a different role in the Civil War.
What is Manifest Destiny?Manifest destiny was a cultural belief in the nineteenth-century United States that American settlers were fated to spread across North America.
The concept had three fundamental tenets:
The unique virtues of the American people and their institutionsThe mission of the United States to redeem and recreate the West in the image of the agrarian EastAn unstoppable destiny to complete this vital dutyB) Bleeding Kansas is a historical event from 1848 to 1861 that is not directly mentioned in the excerpts but could be used to support Wineapple's interpretation.
C) The Compromise of 1850 is a historical event from 1848 to 1861 that is not directly mentioned in the excerpts, could be used to support Brinkley's interpretation. The Compromise of 1850 was drafted in response to California's admission as a free state.
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Why do you think many of the first maps created by humans were of the stars?
because firstly humans looked at space and then discovered stars
Answer:
because we humans discover space and stars
Let f be a differentiable function such that f(0) = 5. 420 and f'(x) = sqrt(sin²x+x). What is the value of f(2pi)?
Differentiation
DerivativesDerivative NotationIntegration
IntegralsIntegration TechniquesIntegration Rule [Fundamental Theorem of Calculus 2]:
[tex]\displaystyle \frac{d}{dx}[\int\limits^x_a {f(t)} \, dt] = f(x)[/tex]
Let's organize what is given to us from the problem.
We are given an initial condition: f(0) = 5.420
We are given a derivative:
[tex]\displaystyle f'(x) = \sqrt{\sin^2 x + x}[/tex]
We are asked to find f(2π).
Step 2: WorkWe can first formulate a rough function using integration rules, namely the Fundamental Theorem of Calculus (2nd part):
[tex]\displaystyle f(x) = \int \limits^{x}_{a} f(t) \, dt + C_0[/tex]
where f(t) is a derivative function and C₀ is an initial condition.
Now that we have a "baseline formula", we can substitute in our f(t) derivative function, our limits, and our initial condition:
[tex]\displaystyle f'(x) = \sqrt{\sin^2 x + x} \Rightarrow f(t) = \sqrt{\sin^2 t + t}[/tex]
[tex]\displaystyle \begin{aligned}f(x) & = \int \limits^{x}_{a} f(t) \, dt + C_0 \\& = \int \limits^{x}_{0} \sqrt{\sin^2 t + t} \, dt + f(0) \\& = \boxed{ \int \limits^{x}_{0} \sqrt{\sin^2 t + t} \, dt + 5.420 } \\\end{aligned}[/tex]
∴ our general function is equal to:
[tex]\displaystyle \boxed{ f(x) = \int \limits^{x}_{0} \sqrt{\sin^2 t + t} \, dt + 5.420 }[/tex]
*Note:
There isn't an antiderivative for the general function, so you will have to input the integral into a calculator.
In order to find the value of f at 2π, we substitute x = 2π into our general function:
[tex]\displaystyle \begin{aligned}f(2 \pi) & = \int \limits^{2 \pi}_{0} \sqrt{\sin^2 t + t} \, dt + 5.420 \\& = 11.44863485704886 + 5.420 \\& = 16.868634857 \\& \approx \boxed{ 16.868 } \\\end{aligned}[/tex]
∴ [tex]\displaystyle \boxed{ f(2 \pi) \approx 16.868 }[/tex]
Answer∴ the value of f(2π) is approximately 16.868.
___
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Topic: Calculus I
Unit: Integration
Fusion reactions in the sun change nuclear energy into
mechanical energy
chemical energy
electromagnetic energy
potential energy
the question is a science question
Answer:
electromagnetic energy
Fusion reactions in the sun change nuclear energy into electromagnetic energy. The correct option is c.
What is electromagnetic energy?Radiant energy that moves in waves at the speed of light is known as electromagnetic energy. Radiant energy, electromagnetic radiation, electromagnetic waves, light, or the movement of radiation are other names for it. Using electromagnetic radiation, heat can be transferred.
The energy produced by the interplay of the magnetic and electrical fields is known as electromagnetic energy.
The following electromagnetic energy types:
Microwaves and radio waves
Atomic radiation
Helium is created from hydrogen in the Sun's core. Nuclear fusion is the term for this. Each helium atom is created by the fusion of four hydrogen atoms.
Therefore, the correct option is c. electromagnetic energy.
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Which of the following US policies also reflected the tensions described in the memorandum?
Détente
Molotov Plan
Truman Doctrine
Marshall Plan
Answer:it’s the Truman Doctrine
Explanation:
Explain one environmental consequence of tar sands petroleum extraction.
Answer:
Tar sands extraction emits up to three times more global warming pollution than does producing the same quantity of conventional crude. It also depletes and pollutes freshwater resources and creates giant ponds of toxic waste
Explanation:
What is the definition of success?
Having more friends than anyone else
Being the smartest person in your class
Taking action to grow your Can Do Circle
Having no new things in your Not Yet Circle
Based on the list of available options, the best definition of success would be C. Taking action to grow your Can Do Circle
What is Success?Success can mean different things to different people. However, some common definitions of success include achieving goals, reaching a high level of skill or accomplishment in a particular area, and leading a fulfilling and satisfying life
With the given answer choices, option C is the best definition of success for a person seeking personal growth.
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True or False: All you need is a high school diploma to get into trade school.
I will answer honestly.
which correlation coefficient represents a strong, negative linear relationship?
Or = 0
• r = 0.21
Or = -0.21
Or = 0.97
Or = -0.97
Answer:
When r (the correlation coefficient) is near 1 or −1, the linear relationship is strong; when it is near 0, the linear relationship is weak. So, the answer would be Or = -0.97.
Explanation:
In 200920092009, Usain Bolt set the world record for sprinting 100 \text{ m}100 m100, start text, space, m, end text in approximately 9\dfrac359
5
3
9, start fraction, 3, divided by, 5, end fraction seconds.
Find his average speed in meters per second.
meters per second
The average velocity for Usain Bolt is given as follows:
10.42 meters per second.
How to obtain the velocity?The measures in this problem are obtained considering the relation between velocity, distance and time.
The relation between velocity, distance and time states that the velocity is obtained by the quotient of the distance by the time, as follows:
v = d/t.
In which:
v is the velocity.d is the distance.t is the time.The parameters for this problem are given as follows:
Distance of 100 meters.Time of 9 and (3/5) seconds = 9 + 3/5 = 9 + 0.6 = 9.6 seconds.(for the conversion of a mixed number to decimal, we add the integer part to the fractional part).
Hence the average velocity is obtained as follows:
100/9.6 = 10.42 meters per second.
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summarize how scientists can use seismic waves to measure and locate earthquakes
Seismic waves are waves of energy that are generated by earthquakes and travel through the Earth's crust. Scientists can use these waves to measure and locate earthquakes.
To measure an earthquake, scientists use seismographs, which are instruments that detect and record seismic waves. The seismograph produces a graph of the seismic waves, known as a seismogram, which can be used to measure the magnitude of the earthquake. The magnitude is a measure of the energy released by the earthquake and it is commonly measured by the Richter Scale.
To locate an earthquake, scientists use a technique called triangulation. This involves measuring the time it takes for seismic waves to travel from the earthquake to different seismograph stations. By measuring the time difference, scientists can calculate the distance between the earthquake and each station. By using the distance information from three or more seismograph stations, scientists can triangulate the location of the earthquake.
Another way scientists can locate an earthquake is by using seismograms to determine the depth of the earthquake. Seismic waves travel faster through solid rock than through soil or soft rock, so scientists can use the difference in arrival time of different types of seismic waves to determine the depth of the earthquake.
In conclusion, scientists use seismic waves to measure and locate earthquakes by analyzing the data generated by seismographs to estimate the magnitude, and measuring the time it takes for seismic waves to travel from the earthquake to different seismograph stations to estimate the location and depth of the earthquake.
Critiquing falls within the evaluation process of thinking. In this assignment you will practice high-order thinking skills at the evaluating level by writing a movie critique. Once you have selected a movie, write a 500-word report evaluating the entertainment value you experienced for each of the movie components below. Again, this is not a professional movie critique. The goal is to evaluate and express your personal entertainment level in the following areas:
Story
Plot
Main Characters
Plausibility
Special Effects
Once your assignment is complete, upload it in the box below.
We can see here that in order to critique a movie, here is a guide:
Evaluate the plot, pacing, and structure of the story.Consider the quality of the acting and whether the actors were able to bring the characters to life.Consider whether the director was able to effectively tell the story, create a sense of atmosphere, and use film techniques such as lighting and camera angles to enhance the story.What is a critique?A critique is a detailed analysis and evaluation of a piece of work, such as a work of art, literature, or research. It is a critical examination of the strengths and weaknesses of the work, with the goal of understanding and interpreting its meaning and impact. A critique can take many forms, from a written review or essay, to a verbal discussion or presentation.
When critiquing a work of art or literature, for example, one might focus on elements such as the composition, style, and use of symbolism. In the case of a research paper, a critique might focus on the methodology, data analysis, and overall conclusions drawn by the author. The key is to be as specific and objective as possible in your analysis, while also providing context and background information about the work.
We see then that the above guide will help you to critique a movie.
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PLEASE HELP!! I need sources and argument points for this question because I cannot find any. Please don't take this down because I really need help.
Write an essay in which you come to a definitive conclusion about how members of Congress decide to vote. Support your conclusion with information from The Lanahan Readings excerpts listed on the assignment page and outside research.
Answer:
Members of Congress often face difficult decisions when it comes to voting on legislation. There are many factors that can influence how they decide to vote, and it is not always easy to predict how a particular member will vote on a given issue.
According to The Lanahan Readings, one important factor that can influence how members of Congress vote is their party affiliation. Members of Congress are more likely to vote in line with their party's position on an issue, especially if the issue is considered important to the party. For example, a Republican member of Congress is more likely to vote in favor of a bill supported by the Republican Party, even if the bill is not necessarily in the best interest of their constituents.
Another factor that can influence how members of Congress vote is their personal beliefs and values. Members of Congress are elected to represent the interests of their constituents, but they also bring their own personal experiences and values to their decision-making process. For example, a member of Congress who is strongly pro-life may be more likely to vote against a bill that expands access to abortion, even if their constituents support the bill.
In addition to party affiliation and personal beliefs, members of Congress may also be influenced by the views of their constituents. If a large number of their constituents support or oppose a particular bill, members of Congress may feel pressure to vote in line with their constituents' views.
In conclusion, there are many factors that can influence how members of Congress decide to vote. Party affiliation, personal beliefs, and constituent views are all important considerations that can shape their voting decisions. Ultimately, the decision to vote for or against a particular bill is a complex one, and it is not always easy to predict how a member of Congress will vote.
Explanation:
What was the range of annual wages for each laborer at Huancavelica?
A pool is being drained by a pump at a rate of 4 gallons per minute. An identical pump is added to help drain the pool. How does the second pump affect the rate of drainage?
Explain.
Answer:
Explanation:
ddd
People are more than what others think I need your answers on that
Answer:
yes that is,for example u may think I don't have money but I do,u may think some people did not have wisdom to do something but they do pass what u think
Learning theory has developed a lot since Pavlov and his dogs. Explain how each of the following concepts or researchers have expanded our understanding of how learning works beyond early behaviorism (define the concept and apply by explaining how understanding expanded because of the concept):
•
•
•
•
Biological Preparedness
Robert Rescorla
Albert Bandura's Pattern of Learning
Biofeedback
Note that Learning theory has developed a lot since Pavlov and his dogs. Explain how each of the following concepts or researchers have expanded our understanding of how learning works beyond early behaviorism (define the concept and apply by explaining how understanding expanded because of the concept): "Biological Preparedness " (Option A)
What is Biological Preparedness?It is crucial to note that the concept of biological preparedness holds that certain creatures are inclined to learn some things more quickly than others.
This notion extends on early behaviorism by recognizing that not all stimuli are equally efficient in producing learning, and that specific types of stimuli may be more successful at producing learning in certain species or individuals due to innate biology or evolutionary history.
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AP WORLD HISTORY UNIT 6 TEST
If you have a study guide, post a link
Humans have evolved complex systems over the last 100,000 years, but WHAP focuses on the last 800 years of politics, economics, and culture. Fiveable's AP World History Modern community includes free exam prep.
What is AP World History?The College Board's Advanced Placement program offers high school students in the United States the opportunity to take a college-level course called Advanced Placement (AP) World History: Modern. The course aims to give students a deeper understanding of the interactions between various human societies as well as the development of global processes and contacts. It is also referred to as AP World History, AP World, or WHAP.
By combining specific factual knowledge with the right analytical abilities, the course advances this understanding. All of prehistory and history, particularly that which occurred between 8000 BC and the present, was once studied by students.
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Read the following passage from Douglass's speech:
I hear the doleful wail of fettered humanity, on the way to the slave-markets, where the victims are to be sold like horses, sheep, and swine, knocked off to the highest bidder. What is the purpose of this analogy?
A.To reinforce the pain that results from the inhumane treatment of slaves
B.To affirm the necessity of increasing the availability of slave-markets
C.To highlight the pain the rest of the world feels as they watch Americans wrestle with the issue of slavery
D.To show how slaves are treated better than the beasts of burden so critical to the farming industry
I think it's A or C.. I'm not sure..
Answer: The correct answer is option A: To reinforce the pain that results from the inhumane treatment of slaves.
Explanation: The purpose of the analogy is to reinforce the inhumane treatment of slaves. The use of the analogy comparing slaves to animals being sold at a market suggests that they are being treated as property rather than as human beings. The comparison to horses, sheep, and swine being "knocked off to the highest bidder" further emphasizes the dehumanizing nature of the slave trade. The correct answer is option A: To reinforce the pain that results from the inhumane treatment of slaves.
One way to identify limestone (calcium carbonate) is to drop a small amount of hydrochloric acid on it. A
positive test results in a fizz of carbon dioxide, water, and one other product being produced. Predict the
other product and write a balanced chemical equation for this reaction.
Answer:
Explanation:
The other product that is produced when hydrochloric acid (HCl) is added to limestone (calcium carbonate) is calcium chloride (CaCl2).
The balanced chemical equation for this reaction is:
CaCO3(s) + 2HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g)
In this equation, the solid limestone (CaCO3) reacts with the aqueous hydrochloric acid (HCl) to produce calcium chloride (CaCl2) dissolved in water, water (H2O) and carbon dioxide (CO2) as a gas. On a molar basis the reaction is 1:1 between the Calcium carbonate and hydrochloric acid which results in the balanced equation.
It's worth noting that this reaction is an example of an acid-base reaction, where the hydrochloric acid (HCl) acts as the acid, and the limestone (CaCO3) acts as the base. The acid donates a proton (H+) to the base, resulting in the formation of the products.
APHuman Geo:
Explain why early urban renewal failed in Washington DC.
What time is it your you are at???
It's May 6, 2025 for me, call of du.ty black o.ps 2 remas.terd came out and we figured out how to reserec.t people. Its is currently 2:57 pm, co.vid is still here it never left.
The writer wants to add a sentence before sentence 8 to show that the third paragraph is refuting the claim made in the second paragraph. Which sentence best accomplishes the writer’s goal?
A. Not only do babies’ eyes move side to side during REM sleep, but they also move up and down.
B. However, child psychologist David Foulkes argues that babies use REM sleep for other purposes.
C. Contrary to popular belief, REM accounts for only one of the five stages of sleep that all humans, including infants, go through.
D. On the other hand, one study conducted in 2010 indicated that babies have the ability to learn while they are sleeping.
E. Whereas adults spend only a quarter of their sleep time in the REM stage, babies average closer to half their sleep time in this stage.
Answer:
B. However, child psychologist David Foulkes argues that babies use REM sleep for other purposes.
Explanation:
Answer B
Correct. In the second paragraph, the claim is that because babies spend so much of their time in REM sleep, the stage at which dreaming occurs for adults, they most likely experience dreams. The third paragraph refutes that claim, starting with this sentence that references an expert in the field who argues that babies use their REM sleep time for “other purposes.”
The sentence which best accomplishes the writer’s goal is: B. However, child psychologist David Foulkes argues that babies use REM sleep for other purposes.
What is a claim?A claim can be defined as a sentence (statement) that is used by a writer to prove, substantiate or support an argument. This ultimately implies that, it is an assertive sentence (statement) that is expressed by a writer to prove that an argument is either true or real.
Based on the excerpt, the sentence which best accomplishes the writer’s goal is adding "However, child psychologist David Foulkes is of the strong opinion that babies use REM sleep for other purposes."
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Refer to the passage.
"It is estimated that a total of seventy thousand private tube-wells were sunk during the 1969–1970 crop season in India, which brings about 1.4 million hectares of additional land under controlled irrigation, thereby greatly expanding the food production potential. It is estimated that at present less than half of the irrigation potential of India has been developed.
If the high-yielding dwarf wheat and rice varieties are the catalysts that have ignited the green revolution, then chemical fertilizer is the fuel that has powered its forward thrust. The responsiveness of the high-yielding varieties has greatly increased fertilizer consumption. The new varieties not only respond to much heavier dosages of fertilizer than the old ones but are also much more efficient in its use. The old tall-strawed varieties would produce only ten kilos of additional grain for each kilo of nitrogen applied, while the new varieties can produce twenty to twenty-five kilos or more of additional grain per kilo of nitrogen applied. Consumption of nitrogen fertilizer in India has increased from fifty-eight thousand metric tons of nutrients in 1950–1951 to 538 thousand and 1.2 million metric tons in 1964–1965 and 1969–1970 crop cycles, respectively; and about sixty percent of this amount was produced domestically.”
Norman Borlaug, accepting the 1970 Nobel Peace Prize for his role in reducing hunger in India and Pakistan
How is the position of farmers growing high-yield crops different from that of farmers growing traditional crops?
A. Farmers growing high-yield crops use less land, causing them to follow a higher-density settlement pattern.
B. Farmers growing high-yield crops are more likely to be self-sufficient and thus require less support from the rest of society.
C. Farmers growing high-yield crops require a larger amount of water and are therefore restricted to land within the irrigated zone.
D. Farmers growing high-yield crops require investment capital to fulfill their potential, but they can achieve profits and escape poverty.
Answer:
D. Farmers growing high-yield crops require investment capital to fulfill their potential, but they can achieve profits and escape poverty.
Explanation:
I received a 90% on this test, and it seems the most feasible option.
Every other answer for the test is in the .txt file attached to this answer :)
DATE ANSWERED: 5/12/2021
In the context of the overall argument of the passage, which of the following choices best describes the purpose of the second paragraph?
A. It gives a basic definition of REM sleep that is elaborated in later paragraphs.
B. It provides a factual basis necessary to speculate on the subjects babies may dream about.
C. It offers key examples to support the first paragraph’s claim that babies’ brains perform many important tasks.
D. It explains how sleep researchers use alternative sources of evidence to study infant sleep cycles because infants are unable to describe their experiences.
E. It establishes the conventional view about whether babies dream in order to show how the argument of the passage departs from this understanding.
Answer:
E. It establishes the conventional view about whether babies dream in order to show how the argument of the passage departs from this understanding.
Explanation:
Answer E
Correct. The function of the second paragraph is to establish the conventional view that babies must dream because they experience REM sleep. It is important to explain this position because it helps readers understand how the passage’s argument—that babies probably do not dream because their brains are occupied with other activities and lack the capacity for visual imagination—relates to other points of view on the topic.
Answer:
E
Explanation: