SSC MTS EXAM

SSC

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The transfer of heat in the atmosphere by the upward movement of air is
A
convection.
B
the greenhouse effect.
C
La Niña.
D
savanna.
Explanation: 

Detailed explanation-1: -Convection is the transfer of heat energy in a fluid. This type of heating is most commonly seen in the kitchen with a boiling liquid. Air in the atmosphere acts as a fluid. The sun’s radiation strikes the ground, thus warming the rocks.

Detailed explanation-2: -By the process of convection, heat is always transferred vertically upwards.

Detailed explanation-3: -Convection is the transfer of heat by the movement of a heated material. In the atmosphere, on a hot summer day, the surface of the Earth is heated by energy from the Sun. Then, the warmed Earth surface warms air near the ground. The warm air rises, while cooler air sinks towards the ground.

There is 1 question to complete.