petroleum what is it
an introduction to petroleum petroleum along with oil and coal is classified as a fossil fuel fossil fuels are formed when sea plants and animals die and the remains become buried under several thousand feet of silt sand or mudfossil fuels take millions of years to form and therefore petroleum is also considered to be a non renewable energy sourcepetroleum is formed by hydrocarbons a hydrocarbon is a compound made up of carbon and hydrogen with the addition of certain other substances primarily sulphurossil fuels are formed when sea plants and animals die and the remains become buried under several thousand feet of silt sand or mud fossil fuels take millions of years to form and therefore petroleum is also considered to be a non renewable energy source