Organic matter such as leaves, grass, etc are major pollutants in air.
What is biochemical oxygen demand (BOD) ?

Organic matter such as leaves, grass, etc are major pollutants in air. How do organic pollutants affect aquatic life ?

What causes the leaves of grasses to roll in dry weather?

What are the major causes of water pollution? Explain.

a) Write three major consequences of air pollution.

What are the major causes of water pollution?

What are the deleterious effects of air pollution