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: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.
Question: If there are more crests coming through, there will be _____ wave frequency.
Choices: A)more
B)less

A: more
****
Q: Paragraph: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
Question: Jeff cooled the pot of boiling water. What happens to the dissolved oxygen contained within the water?
Choices: A)it increases
B)it decreases

A: it increases
****
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 Mona is rafting on a river and the river is moving slowly, what happens to the size of particles that river deposits if the water speeds up?
Choices: A)increases
B)decreases

A:
decreases
****