Explain how an ocean current can affect the temperature and the amount of moisture of the air mass above the current and nearby coastlines.
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When air is push out to sea, the air is hot, this causes the water to heat up and the polar ice caps to melt. as air is being pushed onto land, in is the cold air 

Assuming this is a question on a test just name a restaurant by your house and the state you live in, its not too difficult : )

Answer volcanic outgassing;