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

Q: Wave amplitude and wavelength are two important measures of wave size.

A: Wave amplitude and wavelength are two important measures of what?
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Q: The name for a matter that has a fixed volume and a fixed shape is solid.

A: What is the name for a matter that has a fixed volume and a fixed shape?
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Q: Are humans a new or old species on the earth?

A:
Are humans a new or old species on the earth?
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