<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>
In summer they're cooler and during winter they're warmer
Maybe goggles to protect her eyes, tie her hair back so it doesn't accidentally catch on fire! and a lab coat if provided, to protect her skin.
C. Euglena are likely are obtain nutrition via photosynthesis.
