The Origin of Seasons A number of important effects are caused by the fact that the Earth's rotation axis is tilted with respect to its orbit round the Sun.
(The Origin of Seasons; are caused; by the fact that the Earth's rotation axis is tilted with respect to its orbit round) (the Earth's rotation axis; is tilted; with respect to its orbit round)
The Origin of Seasons the Earth's rotation axis
are caused is tilted
by the fact that the Earth's rotation axis is tilted with respect to its orbit round
with respect to its orbit round