Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at ______.(1.0)
A.a specific barometric pressure B.a specific temperature C.a specific wind speed D.any time正确答案C
Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at ______.(1.0)
A.a specific barometric pressure B.a specific temperature C.a specific wind speed D.any time正确答案C