A system which undergoes an adiabatic change (i.e., q = 0 which means no change in the system's heat energy) and does work on the surroundings has a. w> 0. AE <0 b. W<< 0, AE <0 c. W<0, AE = 0 d. W>0. AE > 0 e. W<0. AE > 0