Which geographical characteristic most encourages an increase in the population density of a region? a. high elevation b. rugged terrain c. a lack of wildlife d. available drinking water

D. Available drinking water. The answer is D because water is the source of life. People and animals need water to function and stay alive.

Hello! i think the answer would be a) china. i’m sorry if it’s incorrect

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.