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The Earth´s atmosphere

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  • Most abundant gas in the atmosphere
    Nitrogen
  • Essential gas for living beings to breathe
    Oxygen
  • The most reactive gas of the air
    Oxygen
  • Gas used by plants to make photosynthesis
    Carbon dioxide
  • The second most abundant gas in the atmosphere
    Oxygen
  • Inert gas of the atmosphere
    Nitrogen
  • Layer of gases surrounding the Earth
    The atmosphere
  • Name four gasses of the atmosphere
    Oxygen, Nitrogen, Carbon dioxide, Argon, Water vapour, Mtehane
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