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Rank the bonds from highest polarity to lowest polarity. (Highest on top)

Si--H
C--H
N--H
O--H
Br--H

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

Nonpoint source pollution is difficult to control because it

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon