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: Brad wants to go to the gym less regularly, so that his muscles will get smaller. Another aspect of having smaller muscles means that Brad will likely be 
 Answer: weaker
[A]: Exercising muscles increases their size, and bigger muscles have greater strength.


[Q]: Question: If Mona owns a car and she decides to switch to a cleaner burning fuel, will she create more or less pollution? 
 Answer: less pollution
[A]: The advantage to biofuels is that they burn more cleanly than fossil fuels. As a result, they create less pollution and less carbon dioxide.


[Q]: Question: A _____ in the population cold lead to more food availability. 
 Answer: decrease
[A]:
As the population increases, the food supply, or the supply of another necessary resource, may decrease.