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: Mike wants his voice to travel faster, so he will speak in a room that is 
 Choices: A)colder 
B)warmer

Answer: warmer


Question: Paragraph: The pupil automatically gets bigger or smaller to let more or less light in as needed.
 Question: Jim looked at his cat's eyes on a bright sunny day, then he looked at the eyes when the cat was in very low light inside the house. In the low light condition, the cat's pupils well be 
 Choices: A)smaller. 
B)larger

Answer: larger


Question: Paragraph: If the gas is heated, the particles will move faster as they gain more energy.
 Question: Bob heats up some gas at the plant. When he does this, the gas particles move faster and 
 Choices: A)gain energy 
B)lose energy.

Answer:
gain energy