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.

Example Input: Question: The lighter someone's skin is the _____ melanin they have. 
 Answer: less
Example Output: However, the melanocytes of people with darker skin produce more melanin.

Example Input: 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
Example Output: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.

Example Input: Question: What will happen to the acidity of the ocean if production of greenhouse gas is reduced? 
 Answer: it will decrease
Example Output:
An increase in greenhouse gases will increase the changes that are already being seen including in ocean acidity.