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).

[EX Q]: Paragraph: When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.
 Question: Scott rolls two balls together until they strike each other. When Scott rolls the balls softly, they barely move apart, and when Scott thrusts the balls at one another, they are apart a 
 Choices: A)great distance 
B)small distance
[EX A]: great distance

[EX Q]: 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
[EX A]: more

[EX Q]: Paragraph: So more water is displaced by a bigger body than a smaller one.
 Question: Sally drops a bowling ball into a small wading pool, then she drops a much smaller baseball into the same wading pool. She notices that the baseball causes less water to splash out, this means that less water is displaced by the 
 Choices: A)larger bowling ball 
B)smaller baseball.
[EX A]:
smaller baseball.