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a combination of circuits that have two or more paths for objects to have an electrical path
a magnet that keeps or retains its magnetism after the energy source has been removed
Comes from the motion of tiny particles in matter. The faster the particles move, the warmer the matter can get. Examples are stoves and matches.
Electromagnetic energy that travels in transverse waves. Examples are visible light, x-rays, radio wave, and solar energy.
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