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ore - Students | Britannica Kids | Homework Help
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Iron ore - Wikipedia
Ore - Wikipedia
a) Define the terms (i) mineral (ii) ore and (iii) gangue. (b) What is meant by the concentration - YouTube
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Iron Ores
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Bauxite | ore | Britannica
What is Ore? | Types, Examples, List & Formation - Video & Lesson Transcript | Study.com
