If I’m not mistaken, I think B. Is the answer because the nerves in your spinal cord send signals from your brain into the rest of your body. So I think the answer is B. Hope this helps.
Pigs are free to known diseases i think. i’m sorry if i’m wrong i just know that domestic pigs are known to be the best donors because of their biological materials for xenotransplantation.
A)test the effect of raising Ph on enzyme action
<span>Explanation: Oxygen is the more electro-negative of the atoms in the water molecule, so it tends to pull the 'shared' electron more to itself. Thus, the oxygen atom has a greater time-share of all electrons, and therefore the hydrogen atoms are more positive for a partial lack of electrons</span>
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