Question

How are fossil fuels formed?

Answer 1

fossil fuels are formed under high pressure before many years of Dead vegetation and animals .

Answer 2

Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. ... A small portion of hydrocarbon-based fuels are biofuels derived from atmospheric carbon dioxide, and thus do not increase the net amount of carbon dioxide in the atmosphere.