Railway Recruitment Board General Awareness — Question 1615

Question

Supersonic jet aircraft cause pollution mainly by thinning which atmospheric layer?

  1. Ozone layer
  2. Troposphere
  3. Ionosphere
  4. Exosphere

Correct answer

A — Ozone layer

Explanation (English)

Nitrogen oxides emitted by supersonic jets in the stratosphere deplete the protective ozone layer.

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