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: What is it called when two waves combine to create a larger wave? Answer: constructive interference

A: Constructive interference is when two waves combine to create a larger wave.
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Q: Question: Where are some of the greatest concentrations of species found? Answer: in the tropics

A: Some of the greatest concentrations of species are found in the tropics.
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Q: Question: Metabolism includes both anabolic and which other reaction? Answer: catabolic

A:
Metabolism includes both anabolic and catabolic reactions.
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