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 larger the animal, the heavier the exoskeleton, making movement more difficult.
 Question: Harry has a pet walrus. Jim has a pet parrot. Whose pet has a lighter exoskeleton? 
 Choices: A)Jim 
B)Harry
[EX A]: Jim

[EX Q]: Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: When we raise the temperature of water it becomes 
 Choices: A)less dense 
B)more dense
[EX A]: less dense

[EX Q]: Paragraph: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
 Question: A person with a high fever will have _____ of the blood vessels in the skin. 
 Choices: A)narrowing 
B)widening
[EX A]:
narrowing