Question

Defin foasil fuel petroleum petrchemical

Answer 1

A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis. ... Fossil fuels contain high percentages of carbon and include petroleum , coal, and natural gas. Petroleum (also known as crude oil or simply oil) is a fossil fuel that was formed from the remains of ancient marine organisms. Millions of years ago, algae and plants lived in shallow seas. ... Variations in color indicate the distinct chemical compositions of different supplies of crude oil.