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प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
टीपा लिहा
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उत्तर
The following problems may exist:
- Human life will come to an end, as soil is essential for food production and if rocks diminished, it would lead to non¬availability of soil.
- Mineral-based manufacturing industries will also come to an end.
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Rock and it's Types
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संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
What are metamorphic rocks?
Explain this term associated with rocks: Fossil fuels
Sedimentary rocks are also called stratified rocks. Why?
Classify the following rock: Schist
Explain the type of Igneous Rocks.
What is lava?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
