8. Water behind a dam, a moving car, and electricity moving in a circuit all are examples of energy because they
a. Help accomplish a job
b. Can cause change
C. Are expensive to create
d. Come from fossil fuels

a. Help accomplish a job

Explanation:

Energy is defined as the ability to do work. It is the ability to get a job done.

Where energy is deficient, no job or work can be done.

In a water behind a dam, potential energy is stored. Potential energy is due to the position of a body. A moving car has kinetic energy which the energy due the motion of a body. Electrical energy is used to carry the currents in a circuit round about.

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