The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface

uneven distribution of the gravitational field

gravity of the sun and the moon

The following factor affects the orbit of a satellite up to an altitud

1.	The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface
A.	uneven distribution of the gravitational field
B.	gravity of the sun and the moon
C.	aerodynamic forces
D.	none of these.
Answer» E.