The poleward flow results from the earth's rotation which causes flow to be to the right of a force like the wind in the northern hemisphere and to the left in the southern hemisphere.
(the earth's rotation; causes; flow to be to the right of a force like the wind in the northern hemisphere and to the left in the southern hemisphere) Context(the earth 's rotation causes,List([31, 64))):(flow; to be; to the right of a force like the wind in the northern hemisphere and to the left in the southern hemisphere)
the earth 's rotation causes,List([31, 64))
the earth's rotation flow
causes to be
flow to be to the right of a force like the wind in the northern hemisphere and to the left in the southern hemisphere
to the right of a force like the wind in the northern hemisphere and to the left in the southern hemisphere