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: The more cylinders a car engine has, the more powerful its engine can be.
 Question: Mona is designing a car in a factory. If she decides to remove cylinders from the car's engine, what happens to the power that engine can output? 
 Choices: A)increased 
B)decreased
[EX A]: decreased

[EX Q]: 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: When Shane goes swimming in warmer water, he can move about quickly, whereas in cooler water, Shane's movement is 
 Choices: A)faster 
B)slower
[EX A]: slower

[EX Q]: Paragraph: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.
 Question: Evan is picking up rocks on the beach. Some rocks are very basic small ones, and others are large, clumpy stones with different textures. The rocks that are less difficult to identify had amounts of metamorphism that were 
 Choices: A)more extreme 
B)less extreme
[EX A]:
less extreme