the simple answer is this, they are all found it the earths crust or diameter
Fossil fuels.
Fossil fuels.
The three main fossil fuels are coal, oil and natural gas
Coal AND Oil
Coal and oil are both fossil fuels.
Coal, methane gas, oil are fossil fuels; uranium is not a fossil fuel.
They are called fossil fuels.
Oil, Coal, and Petroleum
Coal, petroleum,and natural gas, are called fossil fuels because they were formed millions of years ago, during the Carboniferous period.
Oil is formed by the decomposition of fossilized plant and animal remains. This is why it is referred to as a fossil fuel. Other fossil fuels include coal and natural gas.
The major fossil fuels are coal, oil, and natural gas.
Crude oil and coal are two examples of fossil fuels.