Fuel formed over millions of years, in conditions of high heat and pressure, from the fossilized remains of dead organic matter such as plants and animals.
Fuel formed over millions of years, in conditions of high heat and pressure, from the fossilized remains of dead organic matter such as plants and animals. Fossil fuels include coal, oil and natural gas. They are all polluting, nonrenewable resources that will one day run out.
Fossil fuels include coal, oil and natural gas. They are all polluting, nonrenewable resources that will one day run out.