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Assertion (A): Overseeding is proposed as a route to hail suppression.
Reason (R): Many small embryos compete for the water and none grows to damaging size.

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

Answer: D

Correct answer: Both A and R are true, and R is the correct explanation of A

Both are true and the reason gives the mechanism. A storm holds a finite quantity of supercooled water, and hail size depends on how much each embryo can collect. Introducing far more embryos divides that water among them, so many small stones fall instead of a few large ones - and small stones do little damage.

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