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: When Dean went to the top of the mountain and reached the peak, he noticed that the bottom of the mountain, compared to the top, had snow in amounts that were
Answer: smaller
[A]: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

[Q]: Question: When in the stratosphere, Dean can tell that the temperature is getting warmer as the altitude he is at
Answer: increases
[A]: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.

[Q]: Question: A dark skinned man and a light skinned man are being tested to see who produces vitamin D faster. The dark skinned person will have vitamin D in amounts that are
Answer: lesser
[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.