Question

B. Very Short Answer Type Questions :

1. Why do the lithospheric plates move?

2. Define the lithospheric plates.

3. What is loess?

4. Write down the geomorphic agents that help in weathering process.

5. What are Sand dunes?

6. Name the world's highest waterfall? ​

Answer 1

Answer:

1. Lithospheric plates move because of the intense heat in the earth's core that causes the molten rock in the mantle layer to move.
2. Lithospheric plate is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.
3. Loess is a loosely compacted yellowish-grey deposit of wind-blown sediment of which extensive deposits occur. It is mostly created by wind, but can also be formed by glaciers.
4. Running water, groundwater, glaciers, wind, waves and currents, etc... can be called geomorphic agents that help in weathering process.
5. Sand dunes are a low hill-like shape formed by means of the deposition of sand in the deserts.
6. The highest waterfall in the world is Angel Falls in Venezuela (807 m [2,650 feet]).

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