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प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
टिप्पणी लिखिए
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
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
How are igneous rocks formed?
Classify the following rock: Graphite
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Distinguish between Metamorphic rock and sedimentary rock.
Classify and explain the rocks.
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.
| A. | Granite | 1. | Bed rock |
| B. | Soil layer | 2. | Plutonic rock |
| C. |
Barren island |
3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
