The solar energy received by the earth is called:

1. Radiation
2. Insolation
3. Greenhouse radiation
4. Precipitation radiation

The heat radiated by the earth in the form of long waves is called:

1. Terrestrial radiation
2. Heat balance
3. Conduction
4. Convection

Of the insolation, 35% is reflected by the atmosphere; how much reaches the earth's surface?

1. 14%
2. 51%
3. 35%
4. 34%

Conduction : ……………. :: Convection : …………….

1. direct contact; circulatory motion
2. circulatory motion, direct contact
3. absorption, transference
4. transference, absorption