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Select the correct answer. In this image, what must the students' muscles do to pull the rope? A. twitch and tighten B. relax and twitch C. tighten and contract D. contract and relax I already tried tighten
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Select the correct answer.

In this image, what must the students' muscles do to pull the rope?

A. twitch and tighten
B. relax and twitch
C. tighten and contract
D. contract and relax


I already tried tighten and contract, and got it wrong

Select the correct answer. In this image, what must the students' muscles do to pull-example-1
User Gustavo
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Answers D contract and relax
User Penguin Egg
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