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Which atmospheric gases play a major role in maintaining the Earth as a life supporting planet?

  1. Oxygen
  2. nitrogen
  3. carbon dioxide

    AAll of these

    B3 only

    C1, 3

    D2, 3

    Answer:

    A. All of these

    Read Explanation:

    Blanket of the earth

    • The atmosphere is the blanket of air surrounding the earth. It is the atmospheric gases such as oxygen, nitrogen and carbon dioxide which play a major role in maintaining the earth as a life supporting planet.

    • Plants play a major role in maintaining the balance of life supporting gases in required proportion through the process of photosynthesis.

    • Atmosphere extends to about 10000 kilometres from the earth's surface. But about 97 percentage of the atmospheric air remains within 29 kilometres from the earth's surface.


    Related Questions:

    Consider the following statements:

    1. The ionosphere overlaps with part of the thermosphere.

    2. It plays no role in long-distance radio communication.

    Which of the above is/are correct?

    ഹൈഡ്രജൻ ,ഹീലിയം എന്നീ മൂലക അയോണുകൾ പരസ്പരം വളരെ അകന്ന് കാണപ്പെടുന്ന മേഖല ?
    അന്തരീക്ഷം ഇല്ലെങ്കിൽ ആകാശത്തിൻ്റെ നിറം എന്താണ് ?
    In the context of the mesosphere, which of the following statements is NOT correct?
    ഭൗമാന്തരീക്ഷത്തിൻ്റെ പിണ്ഡത്തിൻ്റെ 80 % ത്തോളം കാണപ്പെടുന്ന അന്തരീക്ഷ പാളി ഏതാണ് ?