You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Q: Paragraph: At higher elevations, there is less air to press on a given area.
 Question: When we get to the bottom of a mountain the air is 
 Choices: A)more dense 
B)less dense

A: more dense
****
Q: Paragraph: Faster-moving water has more energy.
 Question: When a car is going slow it has 
 Choices: A)low energy 
B)high energy

A: low energy
****
Q: Paragraph: The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.
 Question: If the rate of flow in a river were increased, what would happen to the size of sediment particles being deposited on the riverbed? 
 Choices: A)smaller particles would be deposited 
B)larger particles would be deposited

A:
larger particles would be deposited
****