Question:

Excessive release of \(\mathrm{CO_2}\) into the atmosphere results in :

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CO2 is the main greenhouse gas; it traps outgoing infrared radiation.
Updated On: Nov 5, 2026
  • depletion of ozone
  • polar vortex
  • global warming
  • formation of smog
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The Correct Option is C

Solution and Explanation

\(\mathrm{CO_2}\) absorbs and re-emits infrared radiation from the Earth's surface (greenhouse effect), so excess \(\mathrm{CO_2}\) raises the average atmospheric temperature: global warming.
Ozone depletion is caused by CFCs and \(\mathrm{NO}\); the polar vortex and polar stratospheric clouds are linked with ozone-hole formation; smog is formed from \(\mathrm{NO_x}\)/hydrocarbons (photochemical) or smoke + fog (classical).
Answer: (3) global warming
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