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 Katie was in the hospital with low blood pressure, she understood that the volume of her blood was 
 Answer: low

A: As blood volume in the body increases, blood pressure increases.
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Q: Question: Places that are near the middle of earth are generally 
 Answer: warmer

A: Areas near the equator are warmer than areas near the poles because they receive more direct sunlight.
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Q: Question: Carlos knows that there is more ozone in the stratosphere today, and goes out on a sunny day. He puts on sunscreen knowing that the UV rays can reach the ground 
 Answer: less

A:
With less ozone in the stratosphere, more UV rays reach the ground.
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