instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Which is a function of the cardiovascular system? Answer: to transport gases throughout the body
answer:
One function of the cardiovascular system is to transport gases throughout the body.

question:
Question: How do heavy alkanes affect the skin? Answer: form a protective layer
answer:
Form a protective layer do heavy alkanes affect the skin.

question:
Question: What causes eutrophication to occur? Answer: excess of fertilizers and other nutrients
answer:
An excess of fertilizers and other nutrients causes eutrophication to occur.