when the population increases it generates several impacts on the water in quality and quantity.
as population increases in a city, water begins to run out or degrade to the point where the costs increase because it is necessary to look for new and farther sources, as well as water treatment due to deterioration.
At the same time, the improper elimination of garbage, helps the deterioration of water by lowering the quality to be consumed.
The answer is D.
he water supply often becomes polluted by the increase in waste.
I hope it help you