As the water crisis gets worse, which of the following does NOT increase?
A)The number of water consumers
B)The demand for water
C)The supply of clean water
D)The price of water

C) The supply of clean water.

The water crisis is because there's not enough clean water, mainly because the population is rising. Because demands are rising, prices rise as well so that water companies can make a profit.

The supply of clean water

b is the best answer for this question.