PLAINS: Plains are large stretches of flat land. They are, generally, not more than 200 metres above mean sea level. Some plains are extremely level. Others may be slightly rolling and undulating.Formation of Plains: Most of the plains are formed by rivers and their tributaries. The rivers flow down the slopes of mountains and erode them. They carry forward the eroded material. Then they deposit their load consisting of stones, sand and silt along their courses and in their valleys. It is from these deposits that plains are formed.Plains are the most densely populated regions on Earth. People settle in plains for many reasons.• Usually water is abundant,• The land, being flat and fertile, enables cultivation of crops.• It is possible to build an excellent network of roads and railways.• The ports and harbours in coastal plains promote international trade.• Construction of transport network is easy. Thus, they are the most thickly populated regions of the world.• In India too, the Indo-Gangetic plains are the most densely populated regions of the country.LANDFORMS AND THE PEOPLE: Humans have been living on different kinds of landforms in different ways. Life is difficult in mountainous areas. Plains provide much better conditions. It is easy to grow crops, build a house or a road in a plain than a mountain. Sometimes, natural calamities such as earthquakes, volcanic eruption, storms and floods cause widespread destruction. Huge loss of life and property takes place. By creative awareness about such incidences we may lower the risks.
Which area is the most useful for human habitation ? | |||
Right Option : A | |||
View Explanation |
Plains are not higher than ______ metres above sea level . | |||
Right Option : D | |||
View Explanation |
Where is it easy to grow crops, build a house or a road ? | |||
Right Option : B | |||
View Explanation |
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It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
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Abhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.