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).

Q: Paragraph: For a given medium, sound has a slower speed at lower temperatures.
 Question: When animals are moving in the cold they are 
 Choices: A)faster 
B)slower

A: slower
****
Q: Paragraph: For a given medium, sound has a slower speed at lower temperatures.
 Question: If Jim turns the thermostat down in his room while listening to music, what will happen to the speed of the sound waves in the room? 
 Choices: A)they will speed up 
B)they will slow down

A: they will slow down
****
Q: Paragraph: More particles inside the container means more collisions, and more collisions mean a higher pressure.
 Question: What happens to the pressure inside of Jim's beaker if he increases the amount of collisions between particles inside of it? 
 Choices: A)decreases 
B)increases

A:
increases
****