A.1 m3 of dry air is lighter than 1 m3 of humid air
B.1 m3 of humid air is lighter than 1 m3 of dry air
C.both 1 m3 of dry air and 1 m3 of humid air have the same weight
A.1 m3 of dry air is lighter than 1 m3 of humid air
B.1 m3 of humid air is lighter than 1 m3 of dry air
C.both 1 m3 of dry air and 1 m3 of humid air have the same weight