The answer is A, a cell wall
As the sun heats the surface of the oceans, two layers of water result. These layers are separated by the Thermocline.
so your answer is thermocline.
Answer:
Heart rate goes up, breathing gets labored
Explanation: heart using more blood to work, and then the heart needs more oxygen to work so it forces u to breathe more
Hope this helped!
<span>more productive because bacteria living on the roots of legumes fix nitrogen in the soil</span>
