What in the formula na3po4 how many moles of sodium? how many moles of phosphorus? how many moles of oxygen?

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

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explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.