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).

Paragraph: The bigger the waves are and the more sediment they carry, the more erosion they cause.
Question: Karly is studying two rivers and how they are affecting the rock around them. If the 2nd river she looks at is twice as big as the first river she is studying, then Karly would expect to see _____ erosion caused by the 2nd river.
Choices: A)more
B)less
more

Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
Question: Sean is trying to see how fast the water molecules are moving in a container of water. He observes that the molecules are moving very slowly, so the temperature must be
Choices: A)cool
B)warm
cool

Paragraph: The larger the animal, the heavier the exoskeleton, making movement more difficult.
Question: Ease of mobility _____ when the animal is decreased in size.
Choices: A)increase
B)decrease
increase