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Fossil Fuels

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