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1 It is heat extracted from the Earth.
2 Energy produced by electrons moving through a substance.
3 It is the energy that an object has because of its position relative to some other object.
4 The energy associated with an object’s motion.
5 It is produced when an object is made to vibrate.
6 Also known as wind power, describes the process by which wind is used to generate electricity.
7 It is energy produced by the sun, including light, radio waves and X rays.
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