Categories
Assignment Help

WILL GIVE BRAINLIEST PLEASE HELP!! Describe the relationship of the Earth’s lithosphere to the asthenosphere. The asthenosphere is composed of rigid plates that “float” on top of the lithosphere. The lithosphere is composed of rigid plates that “float” on top of the asthenosphere. The lithosphere is a solid wall around the asthenosphere, and they move as one unit. The asthenosphere is found in the Earth’s core and is protected by the lithosphere.

[ad_1]

Answered by answersmine AT 22/10/2019 – 03:13 AM

Asthenosphere, zone of Earth’s mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface.The asthenosphere is almost solid, although some of its regions could be molten. Both the lithosphere and asthenosphere make up the mantle. The answer is B. Hope this helps 🙂

[ad_2]

Categories
Assignment Help

How does water move underground?

[ad_1]

Answer:

Groundwater is transported through aquifers because of two main reasons: gravity and pressure. In unconfined aquifers, which we concentrate on because they are more likely to be contaminated, water always flows from high points to low points because of gravity.

Explanation:

[ad_2]

Categories
Assignment Help

Air tends to move from _____.

[ad_1]

Air tends to move from _____.

[ad_2]

Categories
Assignment Help

Which of the following is an incorrect statement? A. Gastrovascular cavities have a single opening through which animals both ingest food and expel wastes. B. Extracellular digestion is the process in which food is broken down outside cells in a digestive system. C. Intracellular digestion happens when animals digest food inside specialized cells that pass nutrients to other cells by diffusion. D. Digestive tracts have 2 openings, which allows food to move in 2 directions.

[ad_1]

Answer:

The incorrect statement is option D. Digestive tracts have two openings, which allows food to move in two directions.

Explanation:

The digestive system is a long twisted tube from the mouth to the anus with a series of accessory organs connected to it. This long twisted continuous tube having two openings, mouth and the anus, called the digestive tract that allows food to move in one direction only (mouth to anus).

In the digestive tract, food enters from the mouth and food passing through pharynx, esophagus, stomach, small intestine, and large intestine. The indigestible food or waste eliminated through the anus.

So, the digestive tract allows food to move in one direction only.

Thus, incorrect option would be option D.

[ad_2]

Categories
Assignment Help

Skeletal and smooth muscles move when nerve impulses sent from What stimulate the muscle fibers telling them to either contract or relax A.PNS B.head C. CNS

[ad_1]

Answer: The correct answer is C; CNS.

Explanation:

The CNS is short of the central nervous system. This system sends nerve impulses to stimulate both the skeletal and smooth muscles making them move, contract, and relax. The nervous system is made up of both the central nervous system and the peripheral nervous system. The main organs in the CNS are the spinal cord and the brain. The central nervous system is comprised of billions of nerve cells. The CNS controls bodily functions, your thoughts, and even your memory.

[ad_2]

Categories
Assignment Help

Some life forms move so slowly that their movement cannot be detected by normal observation. The best way to determine any movement is by placing a mark at some point, and observing any change in position from it. Why is this true?

[ad_1]

Some life forms move so slowly that their movement cannot be detected by normal observation. The best way to determine any movement is by placing a mark at some point, and observing any change in position from it. Why is this true?

[ad_2]

Categories
Assignment Help

Which statement correctly describes the slope of the linear function that is represented by the data in the table? Table (It may move to the left a bit when it is actually posted, sorry. It shouldn’t be hard to read though) x y 8 -8 8 -4 8 0 8 4 8 8 a.The slope is positive. b.The slope is negative. c.The slope is zero. d.There is no slope.

[ad_1]

Answer: d. There is no slope.

Step-by-step explanation:

We know that slope ==frac{text{change in y coordinate}}{text{change in x coordinate}}

For the given table, since there is no change in x coordinate .

Thus the change in x coordinate is 0.

Therefore, slope==frac{text{change in y coordinate}}{0}=infty

which means the slope does not exist.

Hence, (d) is the right option. There is no slope.

[ad_2]

Categories
Assignment Help

Which is not a function of the cytoskeleton? A.anchors organelles B.gives support to cells C.attaches bones D.allows cells to move

[ad_1]

The right option is; C.attaches bones

Cytoskeleton is a network of filaments and tubules that is located in the cytoplasm of eukaryotic cells (cells that has a nucleus). The cytoskeleton is composed of filamentous proteins, and it helps cells to maintain their shape and internal organization. It also gives mechanical support that allows the cells to perform important functions such as movement and division.

[ad_2]

Categories
Assignment Help

Why, in light of all the problems that occurred in tenement living, so many people continued to move into cities

[ad_1]

I’m assuming you’re talking about how cities such as New York and Chicago were overpopulated and held horrible living conditions, especially for workers there.

Well, simply, cities offered better resources no matter what. If you lived in the country, whatever you produced was based on the outdoor elements, but you had to deal with isolation of many people and institutions such as schools, doctors, ect. In the city, yes it was overpopulated and work conditions were terrible, but people had a mindset that better work for a penny that you know that you’ll get instead of hoping a dollar that can disappear because of a bad harvest year.

[ad_2]

Categories
Assignment Help

Why did the African Americans move to the North?

[ad_1]

1- The correct answer is B, as one result of the Great Society was that the lives of many underprivileged Americans improved.

The Great Society was a set of US national reform programs announced by President Lyndon B. Johnson for the first time in a speech at Ohio University on May 7, 1964 and more fully illustrated on May 22, 1964 at the University of Michigan. These reform programs were subsequently presented to the Congress of the United States and largely approved during the 1960s, thanks to the consent of its supporters of the Democratic Party.

Two main goals of social reforms were the elimination of poverty and racial injustice. During this period new large spending programs were launched in the fields of education, medical care, urban problems and transport. Johnson’s “Great Society” was linked, in its objectives and policies, to President Franklin Delano Roosevelt’s New Deal program.

Some proposals of the Great Society resumed initiatives contained in the New Frontier program, interrupted by the tragic death of President John F. Kennedy. Johnson’s success in promoting and endorsing his reforms depended on his considerable congressional political influence, his persuasion, and the favorable historical circumstances resulting from the 1964 presidential elections, which allowed the Democratic Party to dominate Congress and to elect the House of Representatives with the largest number of exponents of the liberal current since 1938.

The evolution of the Vietnam war and the massive involvement of the American military machine in the conflict, however, partly undermined the success of the “Great Society” program. Growing, huge expenditures for the continuation of the war made more difficult to finance the reform programs. Representatives of the Democratic Party against the war in Vietnam complained that military spending decisively stifled the Great Society program. On the whole, however, despite growing political and economic difficulties, which forced the administration to eliminate or reduce the financing of some projects, President Johnson managed to activate a series of programs of great importance, including Medicare, Medicaid, the Older Americans Act and the federal education funding, which are still active.

2- The correct answer is C, as the Immigration and Nationality Act of 1965 was necessary because the previous existing American immigration policies were discriminatory.

On October 3, 1965, President Lyndon B. Johnson signed the law into effect, saying: “The [old] system violates the basic principle of American democracy, the principle according to which the valuation and reward of each man should be established on the basis of his merits as a man. It has been anti-American in the highest sense, because it has been unfaithful to the faith that led thousands to these shores, even before we were a country. ”

[ad_2]

Categories
Assignment Help

During which phase of meiosis do spindle fibers move the sister chromatids to the center of the cells?

[ad_1]

During which phase of meiosis do spindle fibers move the sister chromatids to the center of the cells?

[ad_2]

Categories
Assignment Help

How did the development of the Zhou Empire affect the people of China? Select all that apply. A.The growing feudal system prevented internal political conflict and stopped northern invaders from threatening China. B.Increasing warfare under weak rulers persuaded people that the Zhou enjoyed the Mandate of Heaven. C.Population growth from economic prosperity caused Huang River settlers to move to the Chang River area. D.Powerful warlords conquered new territories and wanted peasants to settle and work on them.

[ad_1]

Karl Marx developed the economic theory of communism.

Further Explanation:

One of Karl Marx’s most famous contributions came in his book the Communist Manifesto. This book explained Mark’s views on government, the economy, and ultimately lead to the creation of communism as an idea.

A communism system is one that is economic and political in nature. In this system, the government would control the means of production, the distribution of goods and resources, and would overall have significant control over society. This system of communism is the opposite of the capitalist/democratic system used in America today. These two ideologies would clash during the mid 20th century in what is now known as the Cold War.

Marx’s ideas were based on his observations of the world around him. He felt that the mistreatment of labor by industry and private corporations would ultimately lead to an uprising by angry laborers all over the world.

Learn More:

Explanation of Cold War- brainly.com/question/1596857

Key Details:

Topic: World History, Communism

Grade Level: 7-12

Keywords: Karl Marx, Communism, Communist Manifesto

[ad_2]

Categories
Assignment Help

Dense water near the poles sinks, creating a current towards the equator. What would you expect to happen to this current if temperatures at the poles increased? A. The current would move to the surface B. Nothing would happen to the current C. The current would decrease in speed D. The current would increase in speed

[ad_1]

The gravitational force Fg between two objects is given by the equation:

Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies. 

Due to the gravitational attraction the pencil and the eraser will attract if we there is no friction on the surface. 

m₁=10 g=0.01 kg is the mass of the pencil
m₂=20 g=0.02 kg is the mass of the eraser
r=2.5 cm = 0.025 m

First we calculate the Fg:

Fg={(6.67*10^-11)*0.01*0.02}/(0.025²)=2.1344*10^-11 N

To get the velocity v of the pencil:

v²=2as, where a is the acceleration of the pencil and s is the path. In our case s=r so we can write:

v²=2ar

a=Fg/m₁= 2.133*10^-9 m/s²

v²=2*(2.133*10^-9)*0.025=1.0665*10^-10

v=√(1.0665*10^-10)=1.0327*10^-5 m/s

We have the velocity and the acceleration, so we can calculate the time t with the equation:

t=v/a=(1.0327*10^-5)/(2.133*10^-9)=4841.6 s

1 hour has 3600 s so when we divide time t in seconds by 3600 we get time T in hours:

T=t/3600=4841.6/3600=1.3449 h. 

So the time for the pencil and eraser to touch is T=1.3449 hours. 

Also time T can be expressed like T= 1h and 20 mins and 41.64 s

[ad_2]

Categories
Assignment Help

Read the excerpt from Outcasts United. Luma pulled her Volkswagen Beetle into the center’s parking lot on a sunny June afternoon in 2004, before her team’s first tryouts. She wasn’t sure what kind of response her flyers had generated among the boys in the complexes around Clarkston. They were naturally wary. But on the other side of town, Jeremiah Ziaty had no doubt about his enthusiasm for the new team. His mother was still at work when he set out from the family’s apartment, a small backpack on his shoulder, ready to play. When Jeremiah arrived at the center, he joined twenty-two other boys on the small field behind the building. Which statement best describes how the author is developing the plot in this excerpt? – The author is describing two plots at the same time before moving on with the chronological order of the story. – The author is describing one plot of the story so he can move the events along chronologically. – The author is describing several plots at the same time to avoid telling the story in chronological order. – The author is describing one plot of the story but not moving the events along in chronological order.

[ad_1]

Answer:  The correct answer is : When writing a research paper you should avoid: slang, first or second person, formality, contractions, jargon.

Explanation:    When writing this type of work should take into account the impersonality, not make too many subordinate sentences, use more nouns and verbs than adjectives and adverbs, use connectors when necessary, be accurate and precise, avoid metaphors, the text should be clear and understandable.

[ad_2]

Categories
Assignment Help

The fossils of human ancestors show an increase in complexity as we move forward in the geological time scale. What does this complexity indicate?

[ad_1]

The correct answer is – c. habitat loss through urban sprawl.

The rabbits are known for their very fast reproduction and increase in number of their populations, but this is only possible when the conditions are right. So when there’s a rabbit population that has enough space and food it will grow on number, but once the food sources are starting to be limited or declining and the space is occupied by humans than this process is no longer possible, so the rabbit population stagnates, and if the process of loss of habitat and food sources continues than the rabot population will start to decline.

[ad_2]

Categories
Assignment Help

During low tide, the beachfront in some places is about 350 from the ocean to the homes . High tide can change the width of a beach at a rate of -17 feet each hour . It takes 6 hours for the ocean to move from low to high tide . What is the change in the width of the beachfront from low to high tide ?

[ad_1]

You need to determine the number of ways in which 30 competitors from 50 can qualify. First, you have to realize that the order is irrelevant, that is: it is the same competitor_1, competitor _2, competitor _3 than competitor_3, competitor_2, competitor_1, or any combination of those three competitors.

So, the number of ways is which 30 competitors from 50 can qualify is given by the formula of combinations, which is:

C (m,n) = m! / (n! * (m -n)! )

=> C (50,30) = 50! / (30! (50 – 30)! ) = (50!) / [30! (50 – 30)!] = 50! / [30! 20!] =

 = 47,129,212,243,960 different ways the qualifiying round of 30 competitors can be selected from the 50 competitors.

[ad_2]

Categories
Assignment Help

Why did the united states move japanese americans to the west coast?

[ad_1]

6.  Thurgood Marshall was the NAACP lawyer who argued the Brown v. Board of Education case before the Supreme Court.  

7.  How did America react to news that the Soviet Union was the first to put a man in space?

  • with determination not to lose the space race

8.  Who assassinated John F. Kennedy?

 

9.  Which of these organized movements by African Americans to fight segregation was first?

  • the Montgomery, Alabama, bus boycott   [It occurred in 1955-56. The other listed items were in the 1960s.]

10.  What factors helped create the prosperity that many Americans enjoyed in the 1950s?  

[ad_2]

Categories
Assignment Help

Industrialization in the North caused A. artisans' wages to increase.B. a middle class to emerge.C. workers to move to suburbs.D. labor unions to dwindle

[ad_1]

Industrialization in the North caused A. artisans’ wages to increase.B. a middle class to emerge.C. workers to move to suburbs.D. labor unions to dwindle

[ad_2]

Categories
Assignment Help

If you move a substance from one container to another and its volume changes, what is the substance

[ad_1]

If you move a substance from one container to another and its volume changes, what is the substance

[ad_2]

Categories
Assignment Help

What is energy? a change that appears in an object when force is applied the property of a body that gives it mass the amount of heat produced by a body the ability of an object to undergo change the ability of a body to move

[ad_1]

The gravitational force Fg between two objects is given by the equation:

Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies. 

Due to the gravitational attraction the pencil and the eraser will attract if we there is no friction on the surface. 

m₁=10 g=0.01 kg is the mass of the pencil
m₂=20 g=0.02 kg is the mass of the eraser
r=2.5 cm = 0.025 m

First we calculate the Fg:

Fg={(6.67*10^-11)*0.01*0.02}/(0.025²)=2.1344*10^-11 N

To get the velocity v of the pencil:

v²=2as, where a is the acceleration of the pencil and s is the path. In our case s=r so we can write:

v²=2ar

a=Fg/m₁= 2.133*10^-9 m/s²

v²=2*(2.133*10^-9)*0.025=1.0665*10^-10

v=√(1.0665*10^-10)=1.0327*10^-5 m/s

We have the velocity and the acceleration, so we can calculate the time t with the equation:

t=v/a=(1.0327*10^-5)/(2.133*10^-9)=4841.6 s

1 hour has 3600 s so when we divide time t in seconds by 3600 we get time T in hours:

T=t/3600=4841.6/3600=1.3449 h. 

So the time for the pencil and eraser to touch is T=1.3449 hours. 

Also time T can be expressed like T= 1h and 20 mins and 41.64 s

[ad_2]

Categories
Assignment Help

The figure below shows the ideal pattern of movement of a herd of cattle, with the arrows showing the movement of the handler as he moves the herd. The arc the handler makes from the starting point to the return point should be a quarter of a circle.. . . . Based on this theory, what distance will the handler move from the starting point to the return point if he creates an arc of a circle of radius 80 feet?. A) 125.6ft B) 502.4ft C) 83.73ft D) 62.8ft

[ad_1]

You need to determine the number of ways in which 30 competitors from 50 can qualify. First, you have to realize that the order is irrelevant, that is: it is the same competitor_1, competitor _2, competitor _3 than competitor_3, competitor_2, competitor_1, or any combination of those three competitors.

So, the number of ways is which 30 competitors from 50 can qualify is given by the formula of combinations, which is:

C (m,n) = m! / (n! * (m -n)! )

=> C (50,30) = 50! / (30! (50 – 30)! ) = (50!) / [30! (50 – 30)!] = 50! / [30! 20!] =

 = 47,129,212,243,960 different ways the qualifiying round of 30 competitors can be selected from the 50 competitors.

[ad_2]

Categories
Assignment Help

Which of the following describes an insulator? A.Does not allow electrons to move through it B.Allows electrons to move through it C.Is always a solid D.Is always a gas

[ad_1]

There are two systems in the human body that are responsible for the coordination between the functions of different systems to achieve the unity of the living organism’s body. These two systems are the nervous system and the endocrine system. The action of the nervous system is fast and takes a short time, while the action of the endocrine system is slow and takes a long time.

The functional unit of the nervous system is the nerve cell or the neuron. The neuron consists of a cell body and the axon. The cell body starts with the dendrites that receive the messages or the impulses from other neurons or from different sense organs or receptors. These impulses are then transmitted through the cell body. The cell body contains a nucleus and different organelles which help the nerve cell to perform its functions. The nerve impulse is then transmitted to the axon.

The axon is an extension from the cell body. There are some cells called Schwan cells that secrete a myelin sheath to insulate the axon from the surrounding medium. The insulated axons have more ability to conduct the impulses than non-insulated axons. The axon ends with the terminal arborizations. The terminal arborizations of a nerve cell connect to the dendrites of the next cell or to the afferent organ. The gaps between the dendrites and the terminal arborizations are called the synapses.

The nerve impulse is an electrochemical phenomenon i.e. an electrical phenomenon with a chemical nature. The membrane of the axon acts as a barrier between an outside positively charged medium and an inside negatively charged medium. This makes a potential difference of  -70mV. This state is called the resting potential. When the membrane is subjected to a stimulus, the positive charges enter to inside and the negative charges exit to the outside. The potential difference now becomes +40mV. This state is called the depolarization state. The point of stimulation acts as a new stimulus for the next point and so on. The membrane sooner gains its permeability again and the positive charges return to the outside and the negative charges to inside. This state is called repolarization.

The nerve impulse reaches the synapse. There are some neurotransmitters that are excited by the nerve impulse coming and carry the message across the membrane. Some receptors receive theses neurotransmitters on the dendrites of the next neuron. These receptors act as a stimulus for the new cell.

[ad_2]

Categories
Assignment Help

Suppose that you are in an emergency situation and need help. social psychological research suggests that your best bet is to ____.? a. ?try to move to a more crowded area where many people will see you b. identify a particular person, tell him or her that you need help, and tell him or her precisely what to do? c. simply scream at the top of your lungs until someone helps you? d. repeatedly say the words “help” or “i need help” so that there is no ambiguity about the nature of the situation?

[ad_1]

Answer:    Joshua is correct

Explanation:  Animals, however well preserved and bred in conditions that are not in nature, that is, not in their natural habitat, animals still retain the animal instinct. Thus, young animals in the wild can be met daily, except for members of their species, and members of all other species, including predators, as well as humans. This means that in the natural environment, young animals can find themselves in a variety of dangers on a daily basis, but not only that. In this way young animals develop their ability to survive, escape from predators, manage, and develop their hunting skills, etc. All this is essential for socialization because according to all these developed skills and abilities their socialization depends. To deny any of the conditions prevailing in the wild means to deny the development of any skill or instinct, to deny proper socialization.

[ad_2]

Categories
Assignment Help

Nomar has moved to another country to accept a job with a new company. he is far from family and friends. which characteristic might nomar identify with if he experiences a great loss of identity from the move?

[ad_1]

Nomar has moved to another country to accept a job with a new company. he is far from family and friends. which characteristic might nomar identify with if he experiences a great loss of identity from the move?

[ad_2]

Categories
Assignment Help

A(n) __________ is a large parcel of the atmosphere, sometimes subcontinental in size, that may move over earth’s surface as a distinct, relatively homogenous entity.

[ad_1]

Natural Forces Affecting the Driver:

1. While the car stops, the person continues moving the way that the car were moving and then hits the obstacle in the car or the person can be thrown out of the vehicle. If the person wears belt, he will stop moving with the vehicle and won’t hit the obstacle.

2. We count approximate kinetic energy using the formula K = v^2. So the vehicle which is moving at 30 mph will have four times less kinetic energy than vehicle which is moving at 60 mph. If they have the same road conditions, the breaking distance will be four times as great for the car moving twice as fast.

3. Kinetic energy depends on object’s mass and velocity and it has direct relationship with the stopping distance. The lesser mass of the vehicle = the lesser kinetic energy and lesser stopping distance. => If both vehicles have the same velocity, then small vehicle has lesser kinetic energy than large vehicle.

4. We know that kinetic energy has this relationship with velocity K = v^2. So the best way to prepare to enter sharp curves in the roadway is to lower the speed. The most appropriate speed is 20-30 mph, but it depends on road conditions and car’s breaks condition.

5. Car crashes can happen with everyone so the best way is to be prepared. First the driver should wear a seatbelt while he’s driving. He should check his tires and breaks condition regularly. And also it’s important to slow down the vehicle while entering sharp curves. Without following these rules, the driver can get catastrophic injuries in a car crash.

Signs, Signals, and Pavement Markings: 

1. It doesn’t matter where you go. All you need is to learn highway code. It’s very different to know the meanings of every road sign. Also, it’s necessary to check your car’s conditions and you should take some spare parts for your car in case of accidents. So wherever you go, it’s important to be prepared.

2. You should stop before crossing and take few minutes to make sure there is no train approaching. If there is no train approaching, you can pass a railroad crossing. If you see approaching train, you should wait until it will pass a railroad crossing.

3. You should stop before the lights and wait to check the traffic movement and signs. Make sure that everything is safe and pass the intersection. Don’t move fast to avoid accidents.

4. Flashing yellow light means that it’s not necessary to stop but you should to pay attention on the traffic movement. So it would be better to yield before the lights and make sure if it’s safe to move. After that you can cross the intersection.

5. The line change means that the lane changes and you can’t cross solid lines. Pay more attention on road marking because it shows how you should behave on the road or highway.

6. As you approach the next exit and  your passengers need to use the restroom and get some food, you should look for green signs which indicate food and rest stops. You should to slow down if you don’t want to skip the sign.

7. When you take the exit ramp off the expressway and merge onto the next road, you see yellow lines dividing the roadway which indicates that there is oncoming traffic and this is a two-way highway. 

[ad_2]