In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Q: Question: Fred found a longitudinal wave. The particles are getting further apart. The amplitude is
Answer: decreasing

A: The closer together the particles in a longitudinal wave are, the greater the amplitude.
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Q: Question: If Mona is building a structure and she wants to make it more functional, what would decreasing the surface area of that structure do?
Answer: decrease functioning

A: In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.
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Q: Question: If Mona is climbing a mountain and she moves to the top of the mountain, what happens to the air pressure pressing against her skin?
Answer: decreases

A:
At higher elevations, there is less air to press on a given area.
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