The Earth has an elliptical orbit (it is tilted on its axis at an angle of 23.5&#176;) and this causes the generation of the seasons as the Earth tilts towards and away from the sun.
(The Earth; has; an elliptical orbit (it is tilted on its axis at an angle of 23.5&#176) (it; is tilted; on its axis; L:at an angle of 23.5&#176) (this; causes; the generation of the seasons; T:as the Earth tilts towards and away from the sun) (the Earth; tilts; towards and away from the sun)
The Earth it this the Earth
has is tilted causes tilts
an elliptical orbit (it is tilted on its axis at an angle of 23.5&#176
on its axis L:at an angle of 23.5&#176
the generation of the seasons T:as the Earth tilts towards and away from the sun
towards and away from the sun