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.

Question: Dwayne Johnson is weaker than Kevin Hart because he exercises less and therefore his muscles have grown 
 Answer: smaller.
Exercising muscles increases their size, and bigger muscles have greater strength.

Question: Dan is looking at shells that will be bad candidates for fossilization. He chooses the shells that are 
 Answer: softer
Hard shells fossilize more readily than soft bodied organisms, as they are better at resisting decay, take significantly longer to break down, and have a greater chance of surviving burial under layers of sediment.

Question: Sean is working on a parallel circuit, and he wants the resistance to be low. In order to achieve this, Sean will, with the resistors 
 Answer: increase them

In a parallel circuit, the resistance decreases as more resistors are added in parallel.