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: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Answer: less

SOLUTION: As the Universe expands, galaxies move further and further apart.

PROBLEM: Question: When Derek was in the hospital, his blood vessels had a larger diameter than normal, which meant that his body was running 
 Answer: warmer

SOLUTION: Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.

PROBLEM: Question: If Mona's country normally emits a lot of greenhouse gas, but one day decides to lower the amount they emit, what will happen to the global temperature? 
 Answer: decrease

SOLUTION:
A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.