instruction:
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.
question:
Question: Mona lives in a nation that uses a lot of fossil fuels. What would happen to her countries levels of air pollution if they were to decrease their usage? 
 Answer: decrease
answer:
Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.


question:
Question: What would happen to the reduce of Jim's parallel circuit if he added fewer resistors to it? 
 Answer: increased resistance
answer:
In a parallel circuit, the resistance decreases as more resistors are added in parallel.


question:
Question: When we have a lot of greenhouse gases in the air what happens to the temperature? 
 Answer: increases
answer:

As greenhouse gases increase, changes will be more extreme.