The glow of neon lights is caused by electrons emitting energy as they

The correct answer is: The glowing of a neon light is caused by electrons emitting energy as they move from higher to lower energy levels.

Explanation:

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the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

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