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प्रश्न
Mention some uses of rocks.
संक्षेप में उत्तर
उत्तर
- Cement
- Writing chalk
- Fire
- Building materials
- Bath scrub
- Kerbstone
- Ornament
- Roofing materials
- Decorative materials
- These are valuable sources of minerals such as gold, diamond, sapphire, etc.
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Rock and it's Types
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
