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.

Input: Consider Input: Question: Dwayne Johnson is weaker than Kevin Hart because he exercises less and therefore his muscles have grown
Answer: smaller.

Output: Exercising muscles increases their size, and bigger muscles have greater strength.

Input: Consider Input: Question: Noah compares the density of the water in a pond during a hot July day and a cold winter morning. The water on the July day is
Answer: less dense.

Output: Lower temperature and higher salinity yield the densest water.

Input: Consider Input: Question: Eric sends out an electromagnetic wave. Reid is 10 feet away and Will is 40 feet away. Who would have the weaker reading of the wave?
Answer: Will
Output: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.