please answer

Asked by  | 25th Jan, 2009, 05:46: PM

Expert Answer:

Mineral : The inorganic substances found in earth crust is called minerals.

Ore:  The inorganic substances found in earth crust and contain the metal which can be get by extraction profitably.

Gangue: The impurities present in ore is called gangue.

Answered by  | 25th Jan, 2009, 05:58: PM

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