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: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
 Question: If Mona's country normally emits not a lot of greenhouse gas, but one day decides to raise the amount they emit, what will happen to the global temperature? 
 Choices: A)increase 
B)decrease
[A]: increase


[Q]: Paragraph: The farther the sound waves travel away from the source, the more spread out their energy becomes.
 Question: If Milo is listening to the radio and he moves closer to the radio in the room, what happens to the sound waves entering his ear? 
 Choices: A)they spread out less 
B)they spread out more
[A]: they spread out less


[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
[A]:
Jim