Observations: It is colder in the winter and warmer in the ...

distance between the earth and sun is not enough to account for our seasons. The seasons are caused by the tilt of the earth. The earth holds its rotation axis (tilt) fixed in space as it moves around the sun. In the summer, the Northern Hemisphere tilts toward the sun. It’s warmer because (1) there are more hours of daylight, providing us with ................
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