Im 98% sure its the 3rd one... the other 2% im not that sure
B. Bicarbonate
<em>The blood brings bicarbonate to the lungs, and then it is exhaled as carbon dioxide. The kidneys also help regulate bicarbonate... it is excreted and reabsorbed by the kidneys.</em>
<em>The body's main response is to get rid of more carbonic acid and hold on to as much bicarbonate base in the kidneys as it can.</em>
Answer:
B. Aligning chromosomes on the equator during mitosis
Explanation:
hope this helps
The answer is light dependent