Question

Pollutants from man’s activities like effluents from the industries and homes accelerate the aging process of lakes.

1. Name this phenomenon.

2. Write any four harmful effects of this process.

Answer 1

1. Cultural or Accelerated eutrophication.

2. Any four harmful effects of this process:

• Over stimulate the growth of algae
• Cause unpleasant odour
• depletes dissolved oxygen
• Death of fish