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Assertion (A): Mesoscale convective systems produce much of the rainfall in many tropical regions.
Reason (R): They combine intense convective cells with a large trailing stratiform area.

  • A.A is false but R is true
  • B.Both A and R are true, and R is the correct explanation of A
  • C.Both A and R are true, but R is not the correct explanation of A
  • D.A is true but R is false

Answer: B

Both are true and the reason gives the structure, and the stratiform region can cover several times the area of the cells. Both parts contribute substantially to the total rainfall. Neither part can be neglected in a rainfall budget.

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