2. Questions Bank
  3. 6th Class
  4. Social Science
  5. The Earth and the Solar System

6th Class Social Science The Earth and the Solar System Question Bank The Four Great Realms of Our Planet Earth - Fill in the blanks

  • question_answer
    The _________ is a narrow contact zone of water, air and land that supports all life on this planet.

    Answer:

    Biosphere


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