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Spheres of Earth

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Sphere of Earth: A layer that surrounds the Earth Earth is the only known planet supporting life due to the interactions among its four spheres Atmosphere: Shell of ... – PowerPoint PPT presentation

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Title: Spheres of Earth


1
Spheres of Earth
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  • Sphere of Earth A layer that surrounds the Earth
  • Earth is the only known planet supporting life
    due to the interactions among its four spheres

3
The Four Spheres
  • Atmosphere Shell of gases that surrounds a
    planet
  • A Air
  • Geosphere Solid portion of Earth below the
    atmosphere and the hydrosphere
  • Includes rocks, mountains and beaches
  • GGround

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  • Hydrosphere Earths liquid water
  • Includes oceans, lakes, streams and groundwater
  • Biosphere The portion of Earth that supports
    life, from far down in the ocean to high up in
    the sky
  • a. Plants and animals are part of the biosphere
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