The first one It sends signals that control heart rate and respiration. I hope this helps :)
D. physical property
the bonds between molecules of mercury are breaking so it's physical and it's not changing the chemical composition of the substance
<span>Range = 88.5 Km/h - 94.5 Km/h</span><span>
</span>
Answer:
100N
Explanation:
Newton's third law of motion
For every action, there is an equal and opposite reaction.
Therefore 100N of force is exerted by the crate on student as a reaction to his action
