What are fossil fuels? | iKörkort.nu

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What are fossil fuels?

Fossil fuels are fuels formed by old life forms, such as decayed plants and animals, that have decomposed in the earth's crust over a long period of time.

Examples of fossil fuels are petrol, diesel, natural gas and coal. When fossil fuels are combusted a surplus of carbon dioxide is released, which contributes to the greenhouse effect.

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