Question

1. What is a plateau?
2. Describe volcanoes? How do they form mountains?
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Answer 1

Answer:

A plateau is a flat, elevated landform that rises sharply above the surrounding area on at least one side. Plateaus occur on every continent and take up a third of the Earths land. They are one of the four major landforms, along with mountains, plains, and hills.

Volcanic Mountains are formed when molten rock (magma) deep within the earth, erupts, and piles upon the surface. Magna is called lava when it breaks through the earth's crust. When the ash and lava cools, it builds a cone of rock. Rock and lava pile up, layer on top of layer.

Explanation:

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Answer 2

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1.What is plateau?

--»A plateau is a highland with steep slopes and a large summit area which rises abruptly from the surrounding region.Plateaus are also called TableLands.

2.Describe volcanoes? How do they form mountains?

--»Formation of a volcanic mountain is associated with volcanic activities. When a volcano erupts, hot magma is thrown out with great force. This magma accumulates around the vent of the volcano and generally forms a tall cone-shaped mountain known as the volcanic mountain.

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$\mathtt\red{Importance \: of \: Volcanic \: mountains:}$

•They help in the condensation of moisture by forcing the winds to rise.

• They act as an effective barrier against cold and hot winds.

• Rivers originating from the mountains provide water throughout the year.

• The mountain slopes have rich pastures and valuable forests.

• The steep slopes provide sites for the building of dams for generating hydroelectricity.

• With cool climate in summers, they serve as tourist and health resorts.

• Some mountains have rich reserves of minerals.

• The mountain rocks are widely used as building materials.