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: Compared to a drywall screw with a coarse thread, would a lag bolt of the same length with a very fine thread require 
 Choices: A)fewer turns to drive into a hole> 
B)more turns to drive into a hole
[EX A]: more turns to drive into a hole

[EX Q]: Paragraph: For a given medium such as air, sound has a slower speed at lower temperatures.
 Question: Mike wants his voice to travel faster, so he will speak in a room that is 
 Choices: A)colder 
B)warmer
[EX A]: warmer

[EX Q]: Paragraph: An object has greater momentum if it has greater mass, greater velocity, or both.
 Question: Marie is rolling cards down a hill. She wants to know which cart will get to the bottom of the hill faster, an empty cart, or a full cart? The cart that will finish first will have a mass that is 
 Choices: A)lower 
B)higher
[EX A]:
higher