instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Millibar is the unit used to measure air pressure.
answer:
What is the unit used to measure air pressure?

question:
In circles way do particles of water move in deep water.
answer:
In which way do particles of water move in deep water?

question:
Sediments is the term for the small particles that rocks are worn down to by water and wind.
answer:
What is the term for the small particles that rocks are worn down to by water and wind?