Which of these is effective in heating the atmosphere?

1. sunshine
2. terrestrial radiation
3. advection
4. insolation

How many low pressure belts are there on the earth's surface?

1. two
2. three
3. four
4. seven

Which of these is not a form of condensation?

1. drizzle
2. cloud
3. dew
4. fog

…………… rainfall occurs in the equatorial region.

1. Orographic
2. Frontal
3. Convectional
4. Cyclonic