On june 21, why is there greater solar energy at the north pole than the equator? a- the north pole is closer to the sun than the equator on that date. b- the sun hits the north pole more directly on that date. c- although the solar intensity at the north pole is less than at the equator, there are many more hours of daylight. d- the hole in the ozone layer allows more sunlight to reach the north pole in the summer.