When temperature and moisture content reach the proper stage, the vapor in the clouds condenses, and the water in the clouds falls to the earth as rain or snow.
(temperature and moisture content; reach; the proper stage) (the vapor in the clouds condenses, and the water in the clouds; falls; to the earth; T:When temperature and moisture content reach the proper stage)
temperature and moisture content the vapor in the clouds condenses, and the water in the clouds
reach falls
the proper stage
to the earth T:When temperature and moisture content reach the proper stage