instruction:
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).
question:
Paragraph: For a given medium such as air, sound has a slower speed at lower temperatures.
Question: If Mary is blowing an air horn underwater and she lowers the temperature of the water, what will happen to the speed of the sound waves generated by the air horn?
Choices: A)increase
B)decrease
answer:
decrease

question:
Paragraph: So more water is displaced by a bigger body than a smaller one.
Question: Both Milo and Jerry jump into a pool. Milo is smaller then Jerry. Which person will displace more water when they jump in?
Choices: A)Jerry
B)Milo
answer:
Jerry

question:
Paragraph: Lower rock layers were laid down earlier, so they are assumed to contain older fossils.
Question: As we dig deeper into rocks they get
Choices: A)younger
B)older
answer:
older