Question

Bones are able to move only because of muscular__________.
i. Contraction
ii. Relaxation
iii. push and pull
iv. contraction and relaxation ​

Answer 1

Answer:

the correct answer is

iv. contraction and relaxation

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Answer 2

Answer:

I am not sure but I think it is (iv)

Explanation:

If it was right plz follow me and like it