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.
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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 is at the top of the mesosphere? Answer: mesopause

Answer: The mesopause is at the top of the mesosphere.


Question: Question: What is the minimum number of times a partial lunar eclipse will occur each year? Answer: two

Answer:
Two is the minimum number of times a partial lunar eclipse will occur each year.