Give reasons for the following:

Cyclonic rainfall is also known as frontal rainfall.

Give a geographical reason for each of the following:

Convectional rainfall is called 4 o'clock rainfall.

Which of the following statements related to Relative humidity is not correct?

1. It is a ratio between the actual amount of water vapour present in the air & the maximum amount of water the air can hold at that temperature.
2. Saturated air has 100 percent of relative humidity.
3. Relative humidity increases with more water vapour in the atmosphere.
4. Relative humidity is measured in degrees.

The process through which the water changes from its liquid state into water vapour is called

1. Evaporation
2. Condensation
3. Precipitation
4. Conduction