Question

To accommodate the rapid human population growth, the water supply should increase by
(1 point)

5 percent each year over a 15-year period.

20 percent over a 15-year period.

50 percent over a 10-year period.

10 percent each year over the next two decades.

Answer 1

50 percent over a 10-year period.

(This represents roughly a 4.1% annual increase ((1.5)^(1/10) − 1)), which matches a rapid-growth scenario requiring a substantial boost in water supply.)