1.

Mention the causes of rainfall?

Answer»

The cooling of saturated air mass is an important cause for rainfall. The cooling process takes place in different ways. Major causes are:

  • The warm and moist air rises upward by vertical convection currents. 
  • Air is also forced to ascend over mountain ranges. 
  • The warm air rises over cold air.
  • There should be sufficient humidity in the air. 
  • Condensation should be taken place.


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