What pollution is caused by all the following except

Assessment: WAEC SSCE - Geography - 2013 (Objective) Subject: Geography

Question 1 Report

What pollution is caused by all the following except
Answer Details
Treated sewage, industrial waste, oil spillage, and fishing with chemicals are all sources of pollution. The question is asking which one of the options does not cause pollution. The answer is treated sewage. Treated sewage refers to the wastewater that has undergone a treatment process to remove pollutants and contaminants before being discharged into the environment. While untreated sewage can cause pollution, treated sewage is not considered a significant source of pollution as the treatment process removes most of the pollutants.

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