The law of conservation of energy states that:
A) kinetic energy can be converted only to thermal or chemical energy.
B) the force that an object can exert is the product of its mass multiplied by its acceleration.
C) energy can be neither created nor destroyed; it can only change form.
D) a body at rest will remain at rest unless acted upon by an outside force.
Answer: C) energy can be neither created nor destroyed; it can only change form.
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Reduce the following fractions to lowest terms
21/49 = __________ Fill in the blank(s) with correct word