Which of the following is a primary source of pollution in aquatic ecosystems?
A.
Soil erosion
B.
Industrial discharge
C.
Air pollution
D.
Deforestation
Correct answer is B
Industrial discharge refers to the release of pollutants, such as chemicals, heavy metals, and wastewater, from industrial activities into water bodies. This is a primary source of pollution in aquatic ecosystems. Industries generate various pollutants that are often released into nearby water bodies, leading to water pollution and adverse effects on aquatic organisms and ecosystems.
