Prelims · 3 Physical & World Geography · 3.4 Atmosphere, temperature, pressure and winds

3.4.1 Composition of the atmosphere: gases, water vapour and aerosols

The atmosphere is a mixture of permanent gases (mostly nitrogen and oxygen), variable gases such as carbon dioxide and ozone, water vapour and solid particles; the small, variable parts matter most for weather and climate.

  • APPSC Group 2 · Prelims
  • Standard level
  • 7 min read
  • Full course

Key terms

  • atmosphere
  • nitrogen
  • oxygen
  • argon
  • carbon dioxide
  • ozone
  • water vapour
  • dust particles
  • aerosols
  • hygroscopic nuclei
  • greenhouse gases
  • scattering
  • 32 km

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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