Answer:
13. An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment.
the action or fact of choosing to take up following or use something
Force = 15.4N
Explanation:
Force=Mass x Acceleration
Force = 20Kg x Acceleration
20Kg x 0.77m/s = 15.4N
<em>Answer is entirely dependent on what the acceleration is.</em>
