The correct option is D 2 and 3 only
The transfer of heat through the horizontal movement of air is called advection. Convection is the process of vertical heating of the atmosphere. The air's horizontal movement is relatively more important than the vertical movement for the heating and cooling of the atmosphere. This is because it carries heat from heat surplus areas and distributes it in the deficit areas. In northern India, local winds called 'Loo' that blow during the summer season are the outcome of the advection process.