• Question: Which Is The Hardest Layer Of The Earth To Dig Through - Crust, Mantle, Outer Core, Inner Core

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      Asked by Morgan.Smith to Alex, Anaïs, Peter, Shreesha on 18 Mar 2015.
      • Photo: Peter Maskell

        Peter Maskell answered on 18 Mar 2015:

        not sure the inner layers are generally molten so those would be hard as all the digging tools would melt.

      • Photo: Shreesha Bhat

        Shreesha Bhat answered on 18 Mar 2015:

        No idea, i think we have not been able to reach the mantle yet, But it will definitely be difficult once you go beyond the mantle.

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