If a mass of moist air contained in a closed metallic vessel is heated

1.	If a mass of moist air contained in a closed metallic vessel is heated, then its
A.	Relative humidity decrease
B.	Relative humidity increase
C.	Specific humidity increases
D.	Specific humidity decreases
Answer» B. Relative humidity increase

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If a mass of moist air contained in a closed metallic vessel is heated, then its

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