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Which is an example of poor posture? Your knees are straight ahead. Your back is arched. Your head is up.

Respuesta :

Answer:

All of them

Explanation:

Answer:

your back is arched

Explanation:

because your hunched over and it may ruin your spin if you have your head up it won't do anything do you throat and if your knees are straight you walk with your knees straight.

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