Coal, petroleum,and natural gas, are called fossil fuels because they were formed millions of years ago, during the Carboniferous period.
Because of their organic origin
Coal, Oil, and natural gas.
Fossil Fuels
Fossil fuels.
Coal oil, and natural gases are examples of fossil fuels
The three main fossil fuels are coal, oil and natural gas
They are called fossil fuels.
The major fossil fuels are coal, oil, and natural gas.
Fossil fuels include the Natural gases, the Petrol, the Coal.
Because of their organic origin
Fossil fuels are the forms of energy made from the remains of dead plants and small creatures. Examples of fossil fuels are coal and natural gas.
Coal is a fossil fuel. The major fossil fuels are natural gas, crude oil and coal.
Fossil fuel. Also, natural gas is in the category of fossil fuels.
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
Fossil Fuels