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प्रश्न
Name the rocks which are most widespread on the earth.
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उत्तर
Sedimentary rocks are the most widespread on the earth. Sedimentary rocks cover about three-fourths of the Earth’s land surface. They form extensive layers over large areas due to the continuous deposition of sediments by water, wind, and ice.
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संबंधित प्रश्न
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Give two examples of sedimentary rocks.
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______ rocks are also called Primary rocks.
Explain Dynamic Metamorphism.
| A | B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
