S D: all of the previous receive the same amount 6: On or about December 21 A: the sun shines for 24 hours per day at the North Pole B: the highest solar altitudes are found in the northern hemisphere C: the southern hemisphere, on average has longer periods of daylight than the northern hemisphere D: the period of daylight at Omaha is 15 hours E: none of the above are true 7: T F Seasonal variations in air temperature are primarily caused by variations in the distance between the earth and the sun 8: What is the angle of tilt of the earth's axis with respect to the plane of the ecliptic?
(the sun; shines; T:for 24 hours per day at the North Pole B)
the sun
shines
T:for 24 hours per day at the North Pole B