Question

3. How are the plains formed?
4. Why are the river plains thickly populated?​

Answer 1

Answer:

3) Plains form in many different ways. Some plains form as ice and water erodes, or wears away, the dirt and rock on higher land. Water and ice carry the bits of dirt, rock, and other material, called sediment, down hillsides to be deposited elsewhere. As layer upon layer of this sediment is laid down, plains form.

4) Plains are usually highly fertile and hence most ideal for cultivation. It is very easy to make transport network in the plains. ... Hence, plains are thickly populated.

Answer 2

Answer:

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1. How are Plains Formed?

=> Plains are generally formed by river and their tributaries. The river 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 salt silt along their courses and in their valleys. It is from these deposits that plains are formed.

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2. Why are Plain rivers thickly populated?

=> The plains are very fertile. Construction of transport network is easy. Thus, these plains are very thicky-populated regions of the world. Some of the largest plains made by the rivers are found in Asia and North America. For example in Asia these plains are formed by the Ganga and the Brahmaputra in India and the Yangtze in China.

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Explanation:

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