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

Q: Resonance is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule.

A: What is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule?
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Q: Moving air masses is the main reason for weather change.

A: What is the main reason for weather change?
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Q: The force exerted by a diving board is conservative, provided the internal friction is this?

A:
The force exerted by a diving board is conservative, provided the internal friction is this?
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