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Monday, March 27, 2017

Secondary sector

Resultado de imagen de recursos naturales

Secondary sector: definition.
      Secondary Sector (Manufacturing and Industry).
      Manufacture: definition 1, definition 2 and definition 3.


What are Natural Resources?
      Raw material: definition and video.
      Types of  Natural Resources: video.

      What are minerals?: video 1 and video 2.
            Types of minerals.


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