To accommodate the rapid human population growth, the water supply should increase by

Question

a. 5 percent each year over a 15-year period.
b. 20 percent over a 15-year period.***
c. 50 percent over a 10-year period.
d. 10 percent each year over the next two decades.

Answer 1

I don't know the figures on this. If this is what your text says, go with it!