A. Fill in the blanks .
1._______ mountains are formed due to the forces of compression .
2. Rift Valleys are also called _______ .
3. _______ are the most thickly populated parts of the world .
4. The Alps are located in _______.
B. Answer the questions :
1. What is a rift valley ?
2. What do you mean by aggradation ?
3. What are alluvial plains ?
C. Long Q/Ans
1. Explain the importance of platues as a natural resource
Answers
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Explanation:
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Explanation:
1)fold mountains or fault block mountains
2)ditch or East African Rift
3)Macao, Monaco, Singapore, Hong Kong and Gibraltar
4)south-central Europe
b.
1)A rift valley is a lowland region formed by the interaction of Earth's tectonic plates. This small rift valley has a typical formation—long, narrow, and deep. ... Rift valleys are found both on land and at the bottom of the ocean, where they are created by the process of seafloor spreading
2) A process of physical geology, aggradation means to fill up with sediment (first used by Salisbury in the last century, 1893Aggradation may occur along a river valley (see Alluvium), at the foot of a slope, in a lake basin, bolson depression, on a desert, or in the ocean
3) An alluvial plain is a largely flat landform created by the deposition of sediment over a long period of time by one or more rivers coming from highland regions, from which alluvial soil forms.
c)
1)Plateaus are very useful because they have rich mineral deposits. Many of the mining areas in the world are located in the plateau regions. For example, the African plateau is famous for gold and diamond mining. The chhotanagpur plateau in India has huge reserves of iron, coal and manganese.
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