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 trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater.
Question: If Jim is screwing in two bolts and the first one has threads that are close together while the second one has threads that are far apart, which one must he apply greater force to?
Choices: A)first bolt
B)second bolt
[EX A]: first bolt

[EX Q]: Paragraph: As the Universe expands, galaxies move further and further apart.
Question: Noah has noticed that the galaxies are expanding. This will make the galaxies
Choices: A)nearer
B)further apart.
[EX A]: further apart.

[EX Q]: Paragraph: For a given medium, sound waves travel more slowly at lower temperatures.
Question: When it is very warm what happens to the speed of items?
Choices: A)speed up
B)slow down
[EX A]:
speed up