What is eutrophication?
The release of harmful chemicals into water bodies
The excessive growth of algae due to nutrient enrichment
The presence of heavy metals in water
The formation of oil slicks on water surfaces
Correct answer is B
Eutrophication is the excessive growth of algae and aquatic plants in water bodies due to the increased availability of nutrients like nitrogen and phosphorus. This nutrient enrichment often comes from agricultural runoff, sewage, and industrial discharges.