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Geography Ch5 Biosphere — Social Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9Social ScienceGeography Ch5 Biosphere2 Marks
Question
Biosphere provides a stable ecosystem.
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Answer

  1. Biosphere extends from the deep ocean trenches to lush rain forests.
  2. People play an important role in maintaining the flow of energy in the biosphere.
  3. There are places on earth that are both biologically rich and deeply threatened.
  4. Hence Biosphere provides a stable ecosystem.

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