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

[Q]: The ability of matter to combine chemically with other substances is known as reactivity.
[A]: The ability of matter to combine chemically with other substances is known as?


[Q]: Atoms of metals are good conductors of electricity because they give up electrons.
[A]: Why are atoms of metals good conductors of electricity?


[Q]: Moves food wastes human bodily function does cellulose help with.
[A]:
What human bodily function does cellulose help with?