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: A dark skinned man and a light skinned man are being tested to see who produces vitamin D faster. The light skinned person will have vitamin D in amounts that are 
 Answer: greater
Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.

Question: Dan's larger globe will have this kind of gravity compared to his smaller globe: 
 Answer: more
Less massive objects also have less gravity than more massive objects.

Question: Farmer Bill got an older machine to sift his wheat. This machine causes him to grow _____ food. 
 Answer: less

More advanced farming practices allowed a single farmer to grow food for many more people.