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: 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: The larger the animal, the heavier the exoskeleton, making movement more difficult.
 Question: An elephant, compared to a puppy, is a larger size, and therefore the weight of the elephant, compared to the puppy, is 
 Choices: A)greater 
B)lesser
[EX A]: greater

[EX Q]: Paragraph: As the amount of water increases, the melting point of rock decreases.
 Question: Ian is trying to melt rocks, nothing that the water around the rocks is quite low. Since there is not a lot of water around the rocks, the melting point of the rock will be 
 Choices: A)increased 
B)decreased
[EX A]:
increased