What is fossil fuel?

What are fossil fuels? Mention the harmful effects of their burning?

What is fossil? Explain the evidence of a horse on behalf of evolution depend on the height of the body, shape of the feet and the number of fingers.

What do you mean by fossil fuel?

Which one is being tried in india as biofuel substitute for fossil fuels?

What is fuels?

What is bio fuel?

What are the uses of fossil fuels?

Combustion of fossil fuel may cause____

Why use of fossil fuels should be reduced?

Which one of the following is being tried in india as a bio fuel substitue for fossil fuels ?