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.

[Q]: 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
[A]: 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.


[Q]: Question: Don notices that the patient's heart is expelling less blood with each stroke. The patient's heart has to beat _____ often to maintain consistent blood flow. 
 Answer: more
[A]: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.


[Q]: Question: If Milo places his coffee into the microwave and heats it up, what will happen to the rate of vibration of the molecules in the drink? 
 Answer: increase
[A]:
Warmer molecules vibrate faster than cooler ones.