TASK DEFINITION: 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.
PROBLEM: Question: Air pressure is higher in the 
 Answer: valleys.

SOLUTION: Air pressure is less at higher elevations.

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

SOLUTION: The closer together the particles in a longitudinal wave are, the greater the amplitude.

PROBLEM: Question: If Milo cuts himself shaving and loses a lot of blood, what happens to his blood pressure? 
 Answer: decreases

SOLUTION:
If blood volume in the body decreases, blood pressure decreases.