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प्रश्न
Distinguish between the following pair:
Degradation and aggradation
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उत्तर
| Sr. No. | Degradation | Aggradation |
| 1. | Wearing down or lowering of land surface. | Building up or raising of land surface. |
| 2. | Caused by erosion (by rivers, wind, glaciers, sea waves). | Caused by deposition of sediments |
| 3. | Creates landforms like valleys, gorges, canyons. | Creates landforms like floodplains, deltas, sand dunes. |
| 4. | Example: River cutting its bed deeper. | Example: River depositing silt on floodplains. |
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संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Classify the following rocks by selecting the correct option given below:
schist
Name two important landforms made by Igneous Rocks.
Mention any two characteristics of Sedimentary Rocks.
Classify the following rock: Shale
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
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 |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
