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Railways PYQCBT 1 2016

RRB NTPC · Question 53

Which of the following options means that the fog which has been polluted by smoke? A. Skog B. Pollutant C. Clog D. Smog

  1. A

  2. D

  3. B

  4. C

Show answer & explanation

Answer: (B) D

Explanation

Smog (smoke + fog) is fog polluted by smoke and other pollutants, as in the London smog of 1952.