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


[Q]: Question: When a rabbit farmer begins a farm he starts with many rabbits. If the rabbits are not cared for and fed does the population 
 Answer: decrease
[A]: With exponential growth, the population starts out growing slowly. As population size increases, the growth rate also increases.


[Q]: Question: Jimbo was sitting at the beach watching the waves. He noticed the waves were increasing in size. What does this mean for the amount of erosion that the waves will cause? 
 Answer: increase
[A]:
The bigger the waves are and the more sediment they carry, the more erosion they cause.