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What is damaging our view of the starry sky ?

  • A.Increasing darkness of the sky
  • B.Increasing brightness of the night sky
  • C.Increasing water pollution
  • D.Increasing mental inertia

Answer: B

Our view of the starry sky is damaged by the increasing brightness of the night sky (B).

The passage says: "The resultant increase of brightness of the night sky is not only damaging our view of the starry sky, but is altering our perception of dark and moonlit nights".

Option (A) reverses the problem, since it is brightness and not darkness that is increasing. Water pollution and mental inertia (C and D) are not mentioned.

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