Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: 2 hydrogen, 1 oxygen atoms combine to make up a molecule of water.

A: What atoms combine to make up a molecule of water?
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Q: 40 m/s north of the following represents the velocity of a moving object.

A: Which of the following represents the velocity of a moving object?
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Q: Endotherms is the term for organisms that can maintain a stable body temperature even in the face of large fluctuations in the environmental temperature.

A:
What is the term for organisms that can maintain a stable body temperature even in the face of large fluctuations in the environmental temperature?
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