Question

Why is it not advised to burn cow dung as a fuel

Answer 1

becoz it cause smoke while burning and produce less energy

Answer 2

Why is it not advised to burn cow dung as a fuel?

1. Burning of dry dung-cakes causes pollution of the air.
2. Dry dung-cakes after burning leaves a large quantity of ash.
3. Burning of dung-cakes destroy useful plant nutrients.
4. Dry dung-cakes has a lower calorific value.