Fossil Fuels Crossword Puzzle
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QUESTIONS LIST:
- natural gas : a flammable material without a definite form, produced from remains of marine organisms buried under layers of sediments found near oil deposited.
- oil : a flammable liquid produced from remains of marine organisms buried under layers of sediment for millions of years.
- organic matter : the waste and remains of plants and animals.
- fossil fuels : a natural non-renewable fuel such as coal, oil, natural gas, formed over millions of years from the remains of living organisms.
- sedimentary rock : layers of rock formed when sediment is deposited and then compacted and cemented over time.
- coal : a solid fossil fuel that is formed from the concentrated remains of plants over very long periods of time.
- pressure : force of objects pushing on other objects.
