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Metals are extracted from their ores.

Many copper ores contain only 2% of copper compounds.

Copper is now extracted from ores containing a low percentage of copper compounds.

Suggest two reasons why.

Verified Answer :

  1. Copper is very useful, so people want as much as possible.
    2.  We are running out, so we are extracting all the copper that we can to keep up with our needs.

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