| http://www.w3.org/ns/prov#value | - Carbon is an essential element for life on earth and should not be confused with CO2 or Carbon Dioxide which is a gas.The earth is a closed loop system and it is constantly re-purposing the carbon along with other minerals providing the materials necessary for life on earth.Fossil fuels are made of mainly hydrocarbons a product of carbon formed deep inside the earth.
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