emilylephan emilylephan

14-02-2021
Chemistry

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emily82039 emily82039

14-02-2021

The contraction of the triceps muscle causes the arm to flex. The contraction of the triceps muscle causes the arm to extend. When added to the force of the biceps contracting it provides extra force to the ball.

The answer is A

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feliciabeal82 feliciabeal82

04-03-2021

Answer:

they cant relxax or the ball woud not be in your have it would fall bec there is no stranth for your musseles

Explanation:

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