The largest source of pollution in the world is__________?
Correct answer: C. Sewage and garbage
- A. Herbicides and Insecticides
- B. Automobile exhausts
- C. Sewage and garbage
- D. Industrial effluents
Explanation
In conventional general-knowledge classifications, sewage and garbage are identified as the largest broad sources of pollution because they contaminate land and water on a massive scale. Industrial effluents and vehicle exhaust are major specific sources, but are narrower categories.
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