Question

what are fossil fuels ? how are they formed?

Answer 1

Fossil fuels are sources of energy that have developed within the earth over millions of years.Fossil fuels are formed by natural processes like the anaerobic decomposition of that buried organisms.Its formation is needs typically millions of years and it contain higher percentage of carbon including coal,petroleum and natural gas..

Answer 2

Fossil fuels where made from the dead remains of living organism buried under the earth millions of years ago. This happened as follows: The plants and animals which type millions of years ago by gradually buried deep in the earth and got covered with sediment like mud and sand away from the reach of air. In the absence of air the chemical effects of heat pressure and bacteria converts the body remains of plants and animals into fossil fuels like Coal Petroleum and natural gas.   The burning treatment plants land plants were converted into coal whereas  those of the tiny many plants and animals were converted into petroleum and natural gas.