Normal polarity is for the power to normally go from positive to
negative, reverse polartity is to change the positive to a negative
and the negative to a positive so the power goes the other way.
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3
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It would indicate that the length of time between reversals is
not predictable.
A molecule having four total electron groups around the central atom has three bonding electron groups and one nonbonding electron group what is its molecular structure
How does the shape of a molecule affect the polarity of the molecule