They have been formed over millions of years as dead animals and plants have been crushed and compressed by the weight of the ever-increasing material on top of them. Their age, along with the fact that they are unrenewable sources i.e. they will never be re-made, leads to the fact that they are fossil fuels.
Fossil Fuels
Coal, Oil, and natural gas.
Fossil fuels.
Coal oil, and natural gases are examples of fossil fuels
Oil, Coal and Natural Gas are all Natural Resources that happen to be non-renewable fossil fuels.
The three main fossil fuels are coal, oil and natural gas
The major fossil fuels are coal, oil, and natural gas.
Fossil fuels include the Natural gases, the Petrol, the Coal.
Coal is a fossil fuel. The major fossil fuels are natural gas, crude oil and coal.
Fossil fuels (coal, oil and natural gas), and coal contributes the most.Fossil fuels (coal, oil and natural gas), and coal contributes the most.
Fossil fuels (coal, oil and natural gas).
Petroleum, coal, and natural gas are a few types of fossil fuels
Coal, Oil, and natural gas.
Fossil Fuels
Fossil fuels (coal, oil and natural gas) are NEVER renewable.
coal, oil, and natural gas are the three major fossil fuels :)
Three main fossil fuels (coal, oil and natural gas).