Question

what are the fossil fuels? write two disadvantages of burning of fossil fuels?

Answer 1

fossils fuels are the fuels that are formed from the dead and decay matter of plants and animals. they take millions of years to regenerate. they are exhaustive.
disadvantages:
1. they causes pollution on burning.
2.they are in very limited in amount once exhausted take millions of years to regenerate.

Answer 2

Fossil fuels are formed from the dead and decay bodies of plants and organisms.
It's disadvantages are
It does pollution on burning
It causes air pollution.