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Fossil fuels are a finite energy source. How long will they last, and why is it so difficult and costly to extract these fuels from beneath the earth and oceans?Key facts
- Fossil fuels are non-renewable resources, and reserves are running out fast.
- Fossil fuels can be used directly for car fuel and cooking, and indirectly to generate electricity.
- When fossil fuels are burnt they release energy as heat.
- The burning of fossil fuels releases greenhouse gases.
Transcript
Fossil fuels – coal, oil and natural gas – are hydrocarbons formed from the compressed, fossilised remains of prehistoric organic material.
When burnt, these hydrocarbons react with oxygen and release latent chemical energy as heat.
Direct Use
This energy can be used directly.
Petrol from oil fuels car engines, natural gas is ...
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