The other effect is more complicated to explain and is caused by the combined effect of the rotation of the earth on its axis and the revolution of the Earth about the Sun.
(The other effect; is; more complicated to explain) (The other effect; is caused; by the combined effect of the rotation of the earth on its axis and the revolution of the Earth about the Sun)
The other effect The other effect
is is caused
more complicated to explain
by the combined effect of the rotation of the earth on its axis and the revolution of the Earth about the Sun