C. Write short answers.
1. What are rocks made up of?
2. What are minerals?
3. What is slate commonly used for?
4. Name two valuable underground resources.
5. Name any two places in India where coal mines are situated.
Answers
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Answer:
1) A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. Common rocks include granite, basalt, limestone, and sandstone
2)Minerals are solid substances that are present in nature and can be made of one element or more elements combined together (chemical compounds). Gold, Silver and carbon are elements that form minerals on their own. ... For example, rock salt or kitchen salt is a mineral formed of cubic-shaped crystals.
2)Dimension slate is used mainly for electrical panels, laboratory tabletops, roofing and flooring, and blackboards. Crushed slate is used on composition roofing, in aggregates, and as a filler.
Explanation:
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Explanation:
- Proper noun
- Collective noun
- Common noun
- Abstract noun
- Proper noun
- Collective noun
- Abstract noun
- Common noun
- Common noun
- Collective noun
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