Question

Many water bodies in cities like Bengaluru are eutrophied due to algal growth. What

causes alga to grow so rapidly in water bodies?​

Answer 1

Answer:

Algal growth is because of the water pollution. When water is getting polluted, its surface gets covered. So, there is no scope for oxygen or sunlight to enter water. Therefore algae (which is anaerobic in nature) grows in the surface of water