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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

What is Biosphere? - Social Science

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Question

What is Biosphere?

Short Note

Solution

  1. Biosphere, the fourth sphere of the Earth, is a life-supporting layer that exists on the earth’s surface.
  2. This layer on earth encompasses the Lithosphere, Hydrosphere, and Atmosphere.
  3. It includes flora and fauna that thrive on or near the earth’s surface.
  4. Biosphere harbors all ecosystems on the earth and sustains life forms including mankind.
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Introduction of Biosphere
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Chapter 2.05: Biosphere - Exercises [Page 208]

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Samacheer Kalvi Social Science [English] Class 9 TN Board
Chapter 2.05 Biosphere
Exercises | Q IV. 1 | Page 208
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