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The Earth comprises:-

  1. Continental crust: depth of 0-75 kilometres:Oceanic crust: depth of 0-10 kilometres
  2. Upper mantle: depth of 10-400 kilometres
  3. Transition region: depth of 400-650 kilometres
  4. Lower mantle: depth of 650-2,890 kilometres
  5. D" layer: depth of 2,700-2,890 kilometres
  6. Outer core: depth of 2,890-5,150 kilometres (liquid)
  7. Inner core: depth of 5,150-6,370 kilometres (solid)
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11y ago

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