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UPSC Prelims 2013Question 72Geography

During a thunderstorm, the thunder in the skies is produced by the
1. meeting of cumulonimbus clouds in the sky
2. lightning that separates the nimbus clouds
3. violent upward movement of air and water particles
Select the correct answer using the codes given below.

Options

  1. (a)1 only
  2. (b)2 and 3
  3. (c)1 and 3
  4. (d)None of the above produces the thunder

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