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.
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Question: 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

Answer: 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: Question: Carla is pushing two carts down a street. One cart is heavy, the other is light. The heavy cart, compared to the light one, will accelerate 
 Answer: slowly

Answer: The greater the mass of an object, the less it will accelerate when a given force is applied.


Question: Question: Matt started a job where he will be outside for only short periods. Which would be sufficient to protect his skin during these short periods of sun exposure, a 
 Answer: lower SPF sunscreen.

Answer:
A sunscreen with a higher SPF value protects the skin longer.