Question

Which of the following way is used to reduce the pollution load on marine water?

(a) Manual cleaning of pollutants

(b) Damping the pollutants during winter

(c) Introducing sewage treatment plants

(d) Ban the license of industries which are near to the sea

I had been asked this question during a job interview.

Asked question is from Marine Pollution in section Environmental Pollution of Energy Management

Answer 1

Correct answer is (c) Introducing sewage treatment plants

Explanation: One of the best ways of reducing the pollution load on marine waters is by introducing sewage treatment plants. This will reduce the biological oxygen demand (BOD) of the final product before it is discharged to water.