instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Constructive forces type of forces are involved when deposited rock forms deltas or barrier islands.
answer:
What type of forces are involved when deposited rock forms deltas or barrier islands?


question:
Vesicles are basic tools of the cell for organizing metabolism, transport, and storage of molecules.
answer:
What are basic tools of the cell for organizing metabolism, transport, and storage of molecules?


question:
Coal is nonrenewable, and the sun is renewable is how coal and the sun compare as sources of energy.
answer:

How do coal and the sun compare as sources of energy?