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.

Q: Question: If a substance does not release molecules into the air from its surface, it will not have what? Answer: smell

A: If a substance does not release molecules into the air from its surface, it will not have a smell.
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Q: Question: The complement system is a series of proteins constitutively found in the what? Answer: blood plasma

A: The complement system is a series of proteins constitutively found in the blood plasma.
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Q: Question: A plane mirror has a flat reflective surface and forms only which kind of images? Answer: virtual

A:
A plane mirror has a flat reflective surface and forms only virtual images.
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