The major sources of stream pollution in more-developed countries is/are
A) chemicals from industry and mining operations.
B) malfunctioning sewage treatment plants.
C) pesticides from cropland.
D) runoff from animal feedlots.
E) all of the above.

Question

Quizplus · Accepted Answer

Chemicals from industry and mining operations, malfunctioning sewage treatment plants, pesticides from cropland, and runoff from animal feedlots are all major sources of stream pollution in more-developed countries. Therefore, the best choice is E, all of the above.

The Major Sources of Stream Pollution in More-Developed Countries Is/are