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: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
Question: When water absorbs salt the water becomes
Choices: A)more dense
B)less dense
[EX A]: more dense

[EX Q]: Paragraph: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
Question: A small container that has 100 hydrogen ions is sitting near a larger container that has 2 hydrogen ions. The solution in the smaller container is
Choices: A)more acidic
B)less acidic.
[EX A]:
more acidic