It always takes to change the motion of an object.
answer is energy

Force

It always takes force to change the motion of an object.

Explanation:

According to the first law of motion, an object will remain in its position of rest or motion unless it is acted upon by an external force.

Thus, it takes force to change the motion of an object

atp is used for energy.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.