Question

one leans forward while climbing a hill to 1) keep himself in stable equilibrium 2) adjust his centre of gravity 3) both of the above​

Answer 1

Both of the above

Explanation:

one leans while climbing the hill to adjust his centre of gravity so that he can keep himself in stable equilibrium

Answer 2

Answer:

one lean forward while climbing up a hill as to maintain the centre of gravity between the legs