question_answer

\[\frac{\text{Amount}\,\text{of}\,\text{water}\,\text{vapour}\,\text{actually}\,\text{present}\,\text{in}\,\text{the}\,\text{air}}{\text{Amount}\,\text{of}\,\text{water}\,\text{vapour}\,\text{required}\,\text{to}\,\text{saturate}\,\text{the}\,\text{air}}\text{ }\!\!\times\!\!\text{ 100}\] The above equation represents the

A)  Absolute Humidity

B)  Specific Humidity

C)  Relative Humidity

D)  Optimum Humidity