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question 1
People try to conserve some resources, like fossil fuels, because they are not replaceable. Why can’t these resources be replaced?

A: They must be transported long distances

B: Processes that make them take a long time

C: No one can afford to buy more of them

D: It is impossible to extract more from the earth

question 2
People move into and begin living in an area that previously had no human activity. What will most likely be the effect on the amount of water?

A: Water will be more evenly distributed in the area

B: Most of the fresh water in the area will be converted to salt water

C: The amount of fresh water suitable for drinking will increase

D: There will be less available for other living things