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.

[EX Q]: Question: Eric is researching near the Equator. Rob is researching near the North Pole. The coldest area is 
 Answer: Reid's
[EX A]: Areas near the equator are warmer than areas near the poles because they receive more direct sunlight.

[EX Q]: Question: A rapid increase in electricity consumption could mean _____ pollution. 
 Answer: more
[EX A]: We need to reduce our electricity consumption in order to reduce pollution.

[EX Q]: Question: When water starts to freeze it becomes 
 Answer: more dense
[EX A]:
Lower temperature and higher salinity yield the densest water.