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प्रश्न
Give reasons
Sedimentary rocks are formed from sediments.
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उत्तर
Rocks break down into small fragments known as sediments. These sediments are transported and deposited by wind, water, etc. These loose sediments are compressed and hardened to form layers of rocks known as sedimentary rocks.
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संबंधित प्रश्न
Why is the upper mantle called the asthenosphere?
Tell whether right or wrong. Correct the wrong statement.
The density of various materials is not the same in the interior of the earth.
Give reasons
We cannot go to the centre of the earth
What is the earth’s crust made of?
What is mantle?
The mantle forms ______ of the earth’s volume.
The oceanic crust is composed mostly of ______ rocks.
Choose the odd one.
crust, magma, core, mantle
Match the following:
| 1. | Mantle | a. | Lighthouse of mediterranean sea |
| 2. | Stromboli | b. | blue planet |
| 3. | The cone | c. | Japanese term |
| 4. | Earth | d. | Weichart countenberg discount |
| 5. | Tsunami | e. | Mohorocvicic discontinuity |
Give geographical reason:
There is variety in the interior of the earth.
