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.

[EX Q]: Question: John was looking at the climate model data in his office. He saw there were less changes as the amount of gases were 
 Answer: Lower
[EX A]: As greenhouse gases increase, changes will be more extreme.

[EX Q]: Question: Since most electrical plants burn gases what happens to pollution levels when we use more electricity? 
 Answer: increase
[EX A]: We need to reduce our electricity consumption in order to reduce pollution.

[EX Q]: Question: Compared to microwaves do x-rays, which have a much higher wavelength than microwaves, have a 
 Answer: lower frequency?
[EX A]:
Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.