Correct Answer: All of the above

Solution : The correct answer is All of the above .

Humidity is defined as the amount of water vapours present in the air. It is estimated in two ways- Absolute humidity and Relative humidity. Absolute humidity is the amount of water vapour the air holds at a given point in time, while relative humidity is the ratio between the present humidity and the maximum humidity which the air can hold. It depends on various factors like temperature, location, weather, pressure, etc.