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Fossil fuels

the remains of ancient organisms that changed into coal, oil, or natural gas

electric generator

a machine that converts mechanical energy, or motion, into electrical energy


oil that is pumped from the ground; also known as crude oil

oil reserves

deposits that can be extracted profitably at current prices using current technology

nuclear energy

the binding energy within the nucleus of an atom

nuclear fission

the process by which the nucleus of a heavy atom splits into 2 or more fragments; releasing neutrons and energy

nuclear fusion

the process by which nuclei of small atoms combine to form anew, more massive nucleus which releases energy

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