Physics, 21.11.2019 20:31 kamber3728

Muscles in animals are often found in pairs, because
a. muscles can only produce a force as they relax.
b. muscles can only pull.
c. muscles need to be able to both push and pull.
d. muscles can only push.

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Muscles in animals are often found in pairs, because
a. muscles can only produce a force as t...

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