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: When there are fewer people in an area the amount of water will 
 Answer: increase
The availability of water is projected to get worse as demand increases.

Question: If the air temperature rises during a heat wave, what is likely happening to the atmospheric pressure? 
 Answer: It will decrease
Increasing air temperature decreases atmospheric pressure.

Question: If Mona is comparing two species and she notices that their DNA molecules are less similar, what does that tell her about the species relationship? 
 Answer: distant relationship

The more similar the DNA molecules of different species are, the closer the relationship is likely to be.