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Coal, natural gas, and oil are all examples of fossil fuels. Coal was formed in the warm tropical swamps that were located near the equator. It must be mined, that is the only way to get to it. Natural gas was formed by bacteria partially decomposed the organic materials mixed with sediment. This released methane gas as a waste product. This gas makes up part of the natural gas we use for energy. Oil was formed in a similar way. Millions of years ago earth was covered with shallow seas. Rivers carried sediments into these seas. Organisms that died were also washed into the seas as part of the sediment. Scientists believe that oil formed from those decayed plants and animals.

Special thanks to Patti Hutchison

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15y ago

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