Which letter indicates the area with the steepest terrain? https://assets. learnosity. com/organisations/328/a1b4ead3-8b3d -4814-9e94-fac400c5d664/map4.gif

C
A
D
B

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.

Answergoogle earth; i believe this is the correct answer, plz check first;