What important discovery did columbus make about the winds?

Wind is made from the differences in air pressures. When hot airrises, cold air goes below it, and wind is created.

even if someone does vote because of your twitter status, there is no civic duty and would have been a more responsible citizen by not voting at all. voting should therefore not be viewed as a fulfillment of civic duty.

hope this : )

it would have to be gasioline