问题详情

The effective temperature of air is dependent upon_______.Ⅰ.relative humidity Ⅱair velocity

A.Ⅰonly

B.Ⅱonly

C.Both Ⅰand Ⅱ

D.NeitherⅠnor Ⅱ

请帮忙给出正确答案和分析，谢谢！