This flow of air is altered by the Earth's rotation and deflected west, hence the name between high-and low-pressure zones, its path is deflected--as we saw with the polar easterlies--thanks to the rotation of the Earth.
This flow of air is altered by the Earth's rotation and deflected west, hence the name easterlies (easterly means from the east, not to the east). As air moves between high-and low-pressure zones, its path is deflected--as we saw with the polar easterlies--thanks to the rotation of the Earth.