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: If Mona is producing sound waves by listening to her radio at night and she turns down the volume, what happens to the amount of energy being produced by the radio? 
 Answer: decreases

SOLUTION: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.

PROBLEM: Question: If we half our use of nonrenewable resources, we will end up having _____ of them. 
 Answer: more

SOLUTION: Using less nonrenewable resources means that they will last longer.

PROBLEM: Question: Sean digs in the dirt and finds rocks that are buried very far down. Given how deep they were, Sean can assume that these rocks are 
 Answer: older

SOLUTION:
Lower rock layers were laid down earlier, so they are assumed to contain older fossils.