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259

Q:

Which gas is known as a greenhouse gas?

  • 1
    Oxygen
  • 2
    Nitrogen
  • 3
    Carbon Dioxide
  • 4
    Argon
  • Show Answer
  • Workspace

Answer : 4. "Argon"
Explanation :

The main greenhouse gases whose concentrations are rising are carbon dioxide, methane, nitrous oxide, hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs) and ozone in the lower atmosphere.

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