The combined effects of _______ determine the stability of the air and, to a large extent, the type of weather produced.
A.pressure and temperature
B.moisture and temperature
C.density and pressure
D.moisture and density
正确答案是B
The combined effects of _______ determine the stability of the air and, to a large extent, the type of weather produced.
A.pressure and temperature
B.moisture and temperature
C.density and pressure
D.moisture and density
正确答案是B