Answer:
muscle cells hope its right
I don't think the answer is A as that seems a bit drastic, I think it's C.
<span>The correct answer is B. Lack of water. When there's no water and you start to dehydrate, your salivary glands start working extra hard because your mouth can't be dry and the salivary glands produce saliva to keep the mouth and the throat dry. If your throat and mouth are dry you can't even swallow.</span>
B, because all have similarities, not just some
They have a greater frequency of harmful genes