the remains of ancient organisms that changed into coal, oil, or natural gas
a machine that converts mechanical energy, or motion, into electrical energy
oil that is pumped from the ground; also known as crude oil
deposits that can be extracted profitably at current prices using current technology
the binding energy within the nucleus of an atom
the process by which the nucleus of a heavy atom splits into 2 or more fragments; releasing neutrons and energy
the process by which nuclei of small atoms combine to form anew, more massive nucleus which releases energy
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