Answer:
AB
O
A
B
the AB blood type is created (mostly) by someone with A blood type making a baby with someone with B blood.
Explanation:
<span>Of SiF4 and SiBr4, the atom SiF4 is more polar. This is because the cation of both molecules are Silicon, but the anions of each are different. In SiF4, the anion is Fluorine, which is more electronegative than the Bromine in SiBr4, which creates a larger dipole, which results in a more polar molecule.</span>
They might go extinct if they can't keep up with the competition
by experimenting the layers of the earth
