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.

Example Input: Question: An decrease in birth rates indicates a/an _____ in the food supply. 
 Answer: decrease
Example Output: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.

Example Input: Question: Milo is trying to heat his room with a space heater. If he turns up the thermostat to a hotter setting, which is happening to the energy the heater is producing? 
 Answer: increasing
Example Output: Bigger stars produce more energy, so their surfaces are hotter.

Example Input: Question: Fred has an isotope that decays slowly. What is likely true about it? 
 Answer: it can be used to date older specimens
Example Output:
Because these isotopes decay more slowly, they can be used to date much older specimens.