instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Water affects the availability of oxygen important element in aquatic environments and in flooded soils.
answer:
Water affects the availability of what important element in aquatic environments and in flooded soils?


question:
Radioactivity is the release of particles and/or energy from the nucleus of an atom.
answer:
What is the release of particles and/or energy from the nucleus of an atom described as?


question:
Lipids are made of long chains consisting almost solely of carbon and hydrogen.
answer:

What are made of long chains consisting almost solely of carbon and hydrogen?