Q: Fact: treating water is used to remove harmful substances before drinking
Question: A person may use water from a treatment plant so that it is

A: free of chunks

Q: Fact: pushing an object requires force
Question: Pushing an object requires what?

A: heavy exertion

Q: Fact: An example of replacing a natural resource is planting new trees where a forest once stood
Question: At the end of their season lumberjacks will seed a new

A: track of land

Q: Fact: as distance to a city decreases , the amount of light pollution will increase
Question: In the wilderness, light pollution is?

A:
less