Which of the following forms of pollution is the least harzardous to man?

By: |Published on: Aug 10|Categories: Geography WAEC| 0 comments

A. Toxic waste disposed of in rivers
B. The use of chemicals for fishing
C. Flaring of gas from refineries
D. A sound of 50 decibels in the air

Correct Answer:

Option D – A sound of 50 decibels in the air

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