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 element can form two different compounds with oxygen? Answer: carbon

A: Carbon can form two different compounds with oxygen.
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Q: Question: Hair and nails are made of what? Answer: keratin

A: Hair and nails are made of keratin, a tough protein.
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Q: Question: What is defined as the amount of force acting on a given area? Answer: pressure

A:
Pressure is defined as the amount of force acting on a given area. It measures how concentrated a force is.
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