Summary
¥Tilt (23.5o) is primary reason
for seasons
Tilt
changes two important factors 1.Angle at which solar rays strike the earth
2.Number of hours of daylight each day
¥Warmest and
Coldest Days of Year
Occur after solstices,
typically around a month
¥Requirement
for equator to pole Heat Transport
Done by Atmosphere-Ocean
System