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Q: The rainfall due to upward movement of air caused by convergence of cold at masses against warm air masses is called………
  • A. Cyclonic rainfall
  • B. Orographic rainfall
  • C. Frontal rainfall
  • D. Convectional rainfall
Correct Answer: Option C - Every time the convergence of cold air masses and warm air masses results in the occurring of frontal rainfall. Hence, the less dense warm air is forced to rise over the denser cold air and this causes the warm air to cool and begin to condense, and due to this the condensation occurs and rain is formed.
C. Every time the convergence of cold air masses and warm air masses results in the occurring of frontal rainfall. Hence, the less dense warm air is forced to rise over the denser cold air and this causes the warm air to cool and begin to condense, and due to this the condensation occurs and rain is formed.

Explanations:

Every time the convergence of cold air masses and warm air masses results in the occurring of frontal rainfall. Hence, the less dense warm air is forced to rise over the denser cold air and this causes the warm air to cool and begin to condense, and due to this the condensation occurs and rain is formed.