(v) Metallic and non-metallic minerals.
2. What is the importance of the energy resources for an economy
3. Why do you think that solar energy has a bright future in India
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Explanation:
v--- metallic minerals are dost minerals which can be melted to obtain new product they are hard lustrous and shiny where is non metallic minerals by which know new product can be obtained they are not lustrous nor shiny
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