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प्रश्न
The photograph shows you a type of rock that is widely used in the construction industry.
- Name the type of rock.
- How is it formed?
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उत्तर
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The type of rock is chemically formed sedimentary rock as limestone becomes marble. It is a marble.
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Sedimentary rocks are formed from sediment accumulated over long periods, usually underwater on the floors of shallow seas, rivers, and lakes. These rocks are formed by the process of evaporation of water containing in limestone which becomes marble.
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संबंधित प्रश्न
Fill in the blank
Granite is an example of intrusive ________ rocks.
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
What is crust?
State two characteristics of the mantle.
Classify the following rocks by selecting the correct option given below:
sandstone
What is meant by a rock?
Classify the following rock: Coal
Give one word for the following.
The outer layer of the earth.
______ rocks are also called Primary rocks.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
