Atoms tend to form bonds because one atom may have more attraction to electrons than the other
In both processes sister chromatids are pulled apart, as can be seen by the image at anaphase.
I think the answer is cellular
The answer is D. The surface area of rocks decreases because of acid rain
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Answer:
except natural killer cells.
Explanation:
The Helper T cells produce cytotoxic T cells and help B cells, but not natural killer cells