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: Which of the following questions is testable in a scientific investigation? Answer: Are cats more active at night than during the day?.

A: Are cats more active at night than during the day? of the following questions is testable in a scientific investigation.
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Q: Question: What type of substance is any matter that has a fixed chemical composition and characteristic properties? Answer: pure chemical substance

A: Pure chemical substance type of substance is any matter that has a fixed chemical composition and characteristic properties.
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Q: Question: What types of incest behaviors are controlled by genes? Answer: instinctive behaviors like flying and mating

A:
Instinctive behaviors like flying and mating types of incest behaviors are controlled by genes.
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