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

[Q]: Water affects the availability of oxygen important element in aquatic environments and in flooded soils.
[A]: Water affects the availability of what important element in aquatic environments and in flooded soils?


[Q]: The tilt of earth on its axis is one factor that contributes to seasons occurring in new york state.
[A]: What is one factor that contributes to seasons occurring in New York State?


[Q]: Plants not only contribute food but oxygen for organisms.
[A]:
Plants not only contribute food but what else for organisms?