Assertion (A): Under conditions of high relative humidity, the rate of evaporation of sweat from the skin decreases and the human being feels warm and uncomfortable.

Reason (R): The human body dissipates heat through perspiration and its evaporation.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

The measure of the actual amount of water vapour in the air, regardless of temperature:

1. Absolute Humidity
2. Humidity
3. Dew Point
4. Relative Humidity

Which of the following is not a type of a cloud:

1. Cirrus
2. Cumulus
3. Strata
4. None of the above

Condensation nuclei are :

1. impurities that support condensation.
2. water particles that help in precipitation.
3. droplets formed as a result of condensation.
4. droplets that fall to the ground.