Q: Fact: wind is a source of energy
Question: An early example of harnessing wind power would be

A: cloth on masts

Q: Fact: the moon rising occurs once per day
Question: If you missed the rising moon today you will have to wait till when to see it again

A: 24 hours

Q: Fact: In the food chain process bacteria have the role of decomposer
Question: Bacteria in the soil feed on

A: expired creatures

Q: Fact: a revolution is when something revolves around something else
Question: a revolution is when something revolves around

A:
more physical matter