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Select the choice that best completes the following sentence.
Simple machines
A.
are made up of multiple moving parts.
B. reduce the amount of energy needed to do work.
C.
are tools that make work easier.
D. cannot be combined to make compound machines.
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Answer:

Simple machines are tools that make work easier

Explanation:

Simple machines are tools enabler that makes work easier e.g screw driver, plier among others. It enable ones workload to be reduced with lesser time

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