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03. Major Landforms Of The Earth

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Chapter: 03. Major Landforms Of The Earth

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A _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a natural or artificial feature of the solid surface of the earth.

landform

_ _ _ _ _ _ _ _ _ _ _ _ _ _ is the wearing away of the earth’s surface.

Erosion

Land covers nearly _ _ _ _ _ _ _ _ _ _ _ _ _ _ per cent of the surface area of the earth.

The rebuilding of a lowered land surface is known as _ _ _ _ _ _ _ _ _ _ _ _ _ _.

deposition

The scientific theory that says that the earth’s outer shell or the crust is divided into several plates that glide over the semi-solid mantle is called _ _ _ _ _ _ _ _ _ _ _ _ _ _.

Plate Tectonics

The movements of tectonic plates can cause _ _ _ _ _ _ _ _ _ _ _ _ _ _, _ _ _ _ _ _ _ _ _ _ _ _ _ _ eruptions, and the formation of mountains.

earthquakes, volcanic

Asia is the _ _ _ _ _ _ _ _ _ _ _ _ _ _ continent, occupying about one-third of the land area of our planet.

largest

_ _ _ _ _ _ _ _ _ _ _ _ _ _ is the second largest continent after Asia and is surrounded by water bodies on all sides.

Africa

North America is joined to South America by a narrow stretch of land called the _ _ _ _ _ _ _ _ _ _ _ _ _ _.

Isthmus of Panama

_ _ _ _ _ _ _ _ _ _ _ _ _ _ contains 90 per cent of the world’s ice.

Antarctica

_ _ _ _ _ _ _ _ _ _ _ _ _ _ has the most indented coastline among the continents, which is why it has numerous ports and some of the finest harbours in the world.

Europe

_ _ _ _ _ _ _ _ _ _ _ _ _ _ is sometimes called ‘the Land Down Under’.

Australia

Mountains occur in long narrow chains called _ _ _ _ _ _ _ _ _ _ _ _ _ _.

ranges

The process where the collision of tectonic plates pushes the heavier plate below the lighter plate is called _ _ _ _ _ _ _ _ _ _ _ _ _ _.

subduction

Old fold mountains, like the Aravallis in India, were formed over _ _ _ _ _ _ _ _ _ _ _ _ _ _ years ago.

250 million

The _ _ _ _ _ _ _ _ _ _ _ _ _ _ and the Black Forest of Europe are examples of block mountains.

Vosges

The funnel-shaped depression at the top of a volcano’s vent is called a _ _ _ _ _ _ _ _ _ _ _ _ _ _.

crater

Mountains support a rich variety of _ _ _ _ _ _ _ _ _ _ _ _ _ _ and _ _ _ _ _ _ _ _ _ _ _ _ _ _.

flora, fauna

Mountains provide home for around _ _ _ _ _ _ _ _ _ _ _ _ _ _ million people, according to the United Nations Development Programme (UNDP).

720

Mountains also affect the climate of an area, for example, the Himalayas cause rainfall in India by blocking the _ _ _ _ _ _ _ _ _ _ _ _ _ _ monsoon winds.

south-west

The _ _ _ _ _ _ _ _ _ _ _ _ _ _ Plateau in India is a storehouse of mineral wealth.

Chota Nagpur

A _ _ _ _ _ _ _ _ _ _ _ _ _ _ plateau is formed by the movement of the earth’s crustal plates.

tectonic

The extensive Columbia Plateau in the USA is an example of a _ _ _ _ _ _ _ _ _ _ _ _ _ _ plateau.

volcanic

The _ _ _ _ _ _ _ _ _ _ _ _ _ _ Plateau is an intermontane plateau enclosed by the Himalayan Mountains and the Kunlun Shan.

Tibetan

A _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a depressed section of the earth’s crust surrounded by higher land.

basin

The Narmada Valley in India and the Nile Valley in Egypt are examples of _ _ _ _ _ _ _ _ _ _ _ _ _ _.

rift valleys

Valleys formed by glaciers are _ _ _ _ _ _ _ _ _ _ _ _ _ _-shaped.

Plains are vast, nearly flat, expanses of land which are usually less than _ _ _ _ _ _ _ _ _ _ _ _ _ _ metres above sea level.

200

_ _ _ _ _ _ _ _ _ _ _ _ _ _ are the granaries of the world.

Plains

An _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a piece of land which is surrounded on all sides by water.

island

The peninsular plateau of India and the Malay Peninsula are two examples of _ _ _ _ _ _ _ _ _ _ _ _ _ _ attached to the continent of Asia.

peninsulas

The _ _ _ _ _ _ _ _ _ _ _ _ _ _ of Suez joins Africa to Asia and separates the Mediterranean Sea and the Red Sea.

Isthmus

The nature of the _ _ _ _ _ _ _ _ _ _ _ _ _ _ and soil that a particular landform is made up of is crucial as it determines human dwelling safety.

rocks

Goal _ _ _ _ _ _ _ _ _ _ _ _ _ _ of the Sustainable Development Goals is “Life on land”.

India and its neighbouring countries are referred to as the _ _ _ _ _ _ _ _ _ _ _ _ _ _.

subcontinent

The Ganga and Yamuna rivers originate from glaciers in the _ _ _ _ _ _ _ _ _ _ _ _ _ _, in Uttarakhand.

Himalayas

The Indus River originates from the _ _ _ _ _ _ _ _ _ _ _ _ _ _ Plateau in Tibet.

Tibetan

Varahamihira was an ancient Indian mathematician, astronomer, and _ _ _ _ _ _ _ _ _ _ _ _ _ _ who made significant contributions to geography.

polymath

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