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: If the gas is heated, the particles will move faster as they gain more energy.
 Question: Tina heats some oxygen gas. The oxygen particles will move 
 Choices: A)faster 
B)slower
[EX A]: faster

[EX Q]: Paragraph: The closer together the particles in a longitudinal wave are, the greater the amplitude.
 Question: Causing particles in a longitudinal wave to come together causes the amplitude to 
 Choices: A)decrease 
B)increase
[EX A]: increase

[EX Q]: Paragraph: The larger the animal, the heavier the exoskeleton, making movement more difficult.
 Question: When an animal is larger it needs to have a 
 Choices: A)smaller skeleton 
B)larger skeleton
[EX A]:
larger skeleton