Fossil Fuels
Coal is a solid fossil fuel formed in ancient swamps from the remains of plants and animals under great heat and pressure over millions of years. A liquid fossil fuel formed in oceans from the remains of plants and animals under great heat and pressure of millions of years is called oil.
fossil fuels
Fossil fuels
Limestone is formed from the skeletal remains of minute sea creatures, laid down on the sea floor millions of years ago.
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fossil fuels
scientists think that petroleum formed from the remains of plankton and other microscopic protists, plants, and animals living in shallow seas millions of years ago. The remains of these organisms settled on the ocean floor and were covered by sediments. Over millions of years, the pressure and heat produced by the sediments coverted the remains of these organisms into a syrupy liquid.
Fossil Fuels such as coal, oil, and natural gas.
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Petroleum, a substance also known as oil or crude oil is a fossil fuel as it was formed from the remains of plants that died millions of years ago.
the remains of plant matter is changed into coal over millions of years while the remains of billions of microorganisms and other organisms formed petroleum and natural gas.
Carbon is a chemical substance found in the Earth but not formed by plants or animals.