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

[EX Q]: A covalent network solid is a compound in which all of the atoms are connected to one another by covalent bonds.
[EX A]: What is a compound in which all of the atoms are connected to one another by covalent bonds?

[EX Q]: Herbivores is the term for animals that eat producers to get energy.
[EX A]: What is the term for animals that eat producers to get energy?

[EX Q]: Wave amplitude and wavelength are two important measures of wave size.
[EX A]:
Wave amplitude and wavelength are two important measures of what?