To accommodate the rapid human population growth, the water supply should increase by (1 point) Responses 5 percent each year over a 15-year period. 5 percent each year over a 15-year period. 20 percent over a 15-year period. 20 percent over a 15-year period. 50 percent over a 10-year period. 50 percent over a 10-year period. 10 percent each year over the next two decades. 10 percent each year over the next two decades.
