1. What is Biosphere?
2. Composition of Biosphere.
3. Threats to the Biosphere.
4. Ways to conserve the Biosphere.
5. Paste pictures of any two endangered animals and provide any two informations about them from RED DATA book.
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1.The biosphere is made up of the parts of Earth where life exists—all ecosystems.
2.composition of biosphere - lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air) .
3.Threats of biosphere- 1)The atmospheric build-up of carbon dioxide, (causing global warming).
2)Pollution of fresh and salt waters, and of soil and air.
3)Erosion and other effects of deforestation
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