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3 years ago

11

Select the choice that best completes the following sentence. Simple machines A. cannot be combined to make compound machines. B

. are tools that make work easier. C. reduce the amount of energy needed to do work. D. are made up of multiple moving parts.

1 answer:

Setler79 [48]3 years ago

4 0

B because machined make work 2x more work or higher

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