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In this image, what must the students' muscles do to pull the rope? A. Twitch and tighten B.relax and twitch C. Tighten and contact D. Contact and relax
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44 votes
44 votes
In this image, what must the students' muscles do to pull the rope?

A. Twitch and tighten
B.relax and twitch
C. Tighten and contact
D. Contact and relax

In this image, what must the students' muscles do to pull the rope? A. Twitch and-example-1
User Jonathan Rich
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1 Answer

13 votes
13 votes
The answer is C. Tighten and contact

The muscles wouldn’t relax, so the answer is not B or D. And the muscles wouldn’t twitch, so it isn’t A.
User TGuimond
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