The seasonal changes are caused by the Sun revolving around the Earth on its axis and the amount of sunlight striking different parts of the Earth at different times.
(The seasonal changes; are caused; by the Sun; revolving around the Earth on its axis) (The seasonal changes; revolving; around the Earth) (sunlight; striking; different parts of the Earth; T:at different times)
The seasonal changes The seasonal changes sunlight
are caused revolving striking
by the Sun revolving around the Earth on its axis
around the Earth
different parts of the Earth T:at different times