The leading cause of limited water supplies is

a. waste.

b. overuse.

c. water pollution.

d. reduced precipitation.

The leading cause of limited water supply is C. water pollution

water scarcity is very alarming specially on areas where there is a limited water supply of fresh and clean water. The pollution brought by human waste, improper and unhygienic agricultural and industrial practices and excessive chemical contamination significantly reduce the supply of clean water.