As the cloud droplets grow in size, they begin to fall back to the earth as precipitation.
(the cloud droplets; grow; ) (they; begin; to fall back to the earth as precipitation; T:As the cloud droplets grow in size) (they; to fall; back to the earth; as precipitation)
the cloud droplets they they
grow begin to fall
to fall back to the earth as precipitation T:As the cloud droplets grow in size
back to the earth as precipitation