Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Q: Question: What type of waste is eliminated from the body through the anus? Answer: solid

A: solid waste that remains after food is digested and is eliminated from the body through the anus.
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Q: Question: What are interferons? Answer: cytokines

A: Figure 42.4 Interferons are cytokines that are released by a cell infected with a virus. Response of neighboring cells to interferon helps stem the infection.
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Q: Question: What occurs when hot magma transforms rock that it contacts? Answer: contact metamorphism

A:
Contact metamorphism occurs when hot magma transforms rock that it contacts.
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