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: If Mona's country normally emits not a lot of greenhouse gas, but one day decides to raise the amount they emit, what will happen to the global temperature? 
 Answer: increase
A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.

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

Question: Jan is comparing stars, specifically a large star and the smaller Sun. Given the size of each, Jan can tell that the Sun puts out heat that is 
 Answer: greater

Bigger stars produce more energy, so their surfaces are hotter.