The dry adiabatic rate (DAR) is ________.
1) a term that refers to the temperature decrease in the still, calm air that surrounds a moving air parcel.
2) 6 C° per 1000 m (3.3 F° per 1000 ft).
3) 10 C° per 1000 m (5.5 F° per 1000 ft.)
4) the rate used for a saturated parcel of air.
