Answer: C

You are incorrect. In fact, restoring the natural water cycle to the Everglades — which humans have disrupted with a series of dams, levees and other changes — will cost at least $7.8 billion. However, the economic impact of allowing the continued species declines, nutrient runoff from area farms, and a distorted water cycle could be equally severe — including costly tourist declines and losses of commercial catches of various fish.

Next Question »