TASK DEFINITION: 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.
PROBLEM: Question: Mona lives in a country with a lot of food available. If a natural disaster strikes and the food supply is cut off, what will happen to the birth rate in her country? 
 Answer: decrease

SOLUTION: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.

PROBLEM: Question: The oxygen levels in water wind up going up when the temperature 
 Answer: decreases

SOLUTION: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.

PROBLEM: Question: Theresa created an electromagnetic wave with frequency 10000 megahertz. Eric created a frequency of 20000 megahertz. Whose frequency has greater energy? 
 Answer: Eric

SOLUTION:
The higher the frequency of an electromagnetic wave, the greater its energy.