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1. Electrical energy is:
A. Energy caused by heat
B. Energy of moving electrons
C. Energy caused by the vibrations of an object
D. Energy caused by changes in the nucleus of an atom

2. The energy caused by an object's vibrations
A. Chemical
B. Light
C. Radiant
D. Sound


Nonsense Answer=Report

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ANSWER:

  1. C.
  2. D.

  • Sound is a type of energy made by vibrations. When an object vibrates, it causes movement in surrounding air molecules.

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