This is because most of the water vapor in Earth's atmosphere condenses out in form of liquid water at lower altitudes.
(This; is; because most of the water vapor in Earth's atmosphere condenses out in form of liquid water at lower altitudes) (most of the water vapor in Earth's atmosphere; condenses out; )
This most of the water vapor in Earth's atmosphere
is condenses out
because most of the water vapor in Earth's atmosphere condenses out in form of liquid water at lower altitudes