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Answers
Answer:
because of the movement of molten magma inside the earth .
(ii) What are exogenic and endogenic forces?
Answer :Exogenic Forces - The forces that work on the surface of the earth is called Exogenic forces.
Endogenic forces - the forces that work on the surface of the earth are called Endogenic forces.
.(iii) What is erosion?
Answer: Erosion is defined as the wearing away of the landscape by different agents like water, wind and ice. The process of erosion and deposition creates different land-forms on the surface of the earth.
(iv) How are flood plains formed?
Answer-During floods ,layers of fine soil and other material called sediments are deposited on the river bank.This leads to the formation of flat fertile flood plains.
v) What are sand dunes?
Answer: When the wind blows, it lifts and transports sand from one place to another. When the stops blowing, the sand falls and