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Losson -6 Beauty of the Earth (Land Forms), 4, (1) Plateau (2)Alluvial (3) Tibet (4) fold (5) Nepal, 2. (1) 3 (2) Four (3) Deccan Plateau (4) Aravali Range (5) Northern Plain, , 3. 1. Mountains Plateau, (i) Asteepsidedhillgver600mhighis (i) Arelatively flat and raised highland is, called mountain. called plateau., (ii) Amountain has peak. (ii) Aplateau has flat surface., (iii) There are 4 types of mountains. (lil) There are 3 types of plateau., 2. Plateau Plains, , (i) Arelatively raised and highland (, is called plateau. ’, (ii) Plateau can be formed by the (ii) Aplain may be formed by the deposit of, break down of rocks of mountain. soil brought by the river., 3. There are some mountains which are eroded by wind and water. They become old and, worn out. They are called residual mountain., Ex. {i) Aravali ranges in India (ii) Urals in Europe., , 4. The Himalayas are called young fold mountains because they are formed due to the push of, —, , ) Arelatively flat low land is called plain.

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tectonic forces in lithosphere plates. This push causes the rock layer to fold..., Itis at the foot of the mountain. Example Colorado plateau of U.S.A., , (i), (ii), (iii), (iv), (i), (iii), (iv), (i), , (iii), (i), , (ii), (iii), (iv), , Mountain slopes are often used for terrace farming and tea plantation., , Sheep, cows and goats can feed and grow on the mountain postures., , Mountain rocks such as granite, marble and limestone are good materials., , Forest om the lower mountain slopes provide wood. ’, , They are rich in minerals. (ii) Mining is the chief occupation of people in the plateau., Waterfalls from high plateau are used to generate electricity., , Lava plateaus have very fertile soil for agriculture., , Plains make up one-third of the world's land but supports three fourth of the, population. (ii) Plains are fertile and the climate is suitable for agriculture., , The rivers of plains can be used for navigation. (iv) The flat land makes transportation easy., Fold mountains- They are formed due to push of tectonic forces in the lithosphere, plates. eg. Himalayas in India, Alps in Europe., , Block Mountain- They are formed as a result of cracking in the earth followed by, uplifts or sinking along the faults. ex. Black forest., , Volcanic Mountain- They. are formed due to volcanic eruptions. ex. Mt. Fujiyama and, , Mt. Cotopaxi., Residual Mountain-There are some mountains which are eroded by wind or water., , They become old and worn out. Ex- Aravali range in India, Urals in Europe., , Alluvial‘plains are formed by deposit of soil brought down by rivers. This fine soil is called, alluvium and therefore such plains are called Alluvial plains. They are very fertile. They are, also called flood plains because the sediment is spread on the river banks during floods. A, plain formed at the mouth of the river by its distributeries is called a Delta plain.