Answer:
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The answer is C. an electron in an orbit has a fixed energy.
Answer:
A.
Explanation:
NEAR THE CENTER OF TECTONIC PLATES.
Answer: Vibrating
Explanation:
Sound is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound is a form of mechanical energy.
Can neither be created or destroyed.