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

Mechanical waves term describes waves that travel through matter.
What term describes waves that travel through matter?

The height of the wave is used to determine the magnitude of an earthquake.
What measurement of the wave is used to determine the magnitude of an earthquake?

Sexual reproduction results in offspring that are generally all genetically different.

What kind of reproduction results in offspring that are generally all genetically different?