Groundwater can be contaminated from all but which one?
A) abandoned hazardous waste dumps
B) industrial-waste storage lagoons
C) build-up of natural wildlife secretions
D) salt water intrusion
E) deep well disposal of hazardous wastes

Question

Quizplus · Accepted Answer

The build-up of natural wildlife secretions is not a known source of groundwater contamination. The other options are all sources of potential contamination.

Groundwater Can Be Contaminated from All but Which One