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Fossil Fuels

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Across
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A flammable material without a definite form, produced from remains of marine organisms buried under layers of sediments found near oil deposited.
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A solid fossil fuel that is formed from the concentrated remains of plants over very long periods of time.
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A natural non-renewable fuel such as coal, oil, natural gas, formed over millions of years from the remains of living organisms.
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Layers of rock formed when sediment is deposited and then compacted and cemented over time.
Down
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The waste and remains of plants and animals.
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A flammable liquid produced from remains of marine organisms buried under layers of sediment for millions of years.
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Force of objects pushing on other objects.