Two factors which together cause the varying length of day and night are?
-
A.
inclination of the earth on its axis and the rotation of the earth on its axis -
B.
inclination of the earth on its axis and the revolution of the earth on its elliptical orbit -
C.
the rotation of the eart on its axis and the revolution of the moon round the earth -
D.
inclination of the earth on its axis and the revolution of the moon round the earth -
E.
the revolution of the earth on its elliptical orbit and the inclination of the moon on its axis