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.

[Q]: Question: Dave is taking water samples from various parts of Lake Erie. He takes the first sample very far from the shore line. The second sample he takes from the edge of the lake. He expects that the _____ sample will have more nutrients in it/ 
 Answer: second
[A]: Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients.


[Q]: Question: If Mona is manipulating the charge of a couple of her objects, what happens to the electrostatic force if she decreases the charge of one of the objects? 
 Answer: decrease
[A]: The more charged the objects are, the stronger the electrostatic force between them.


[Q]: Question: A wave with more energy than another will have a _____-frequency. 
 Answer: higher
[A]:
A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.