What is humidity?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. When water vapour is present in the air.
Humidity refers to when water vapor is present in the air. It is a measure of the amount of moisture or water vapor in the atmosphere. Humidity can affect weather conditions and comfort levels, with high humidity making the air feel damp and heavy, while low humidity can lead to dryness. It is typically expressed as a percentage, representing the amount of water vapor present relative to the maximum amount the air can hold at a given temperature.