Shawn wants to perform an experiment. However, he needs to determine a question to answer with his experiment.

Which of the following is a scientific question that could be used to form a good hypothesis?
A.
How does temperature affect the growth rate of pea plants?
B.
What is the effect of the weather on a person's mood?
C.
How does the flavor of a candy affect its taste to people?
D.
What is the effect of one person's opinion on another person?