What is a volcano?
A volcano is a vent or opening in the earth's crust through which molten material erupts suddenly.
Answer the following questions briefly:
(i) Why do the plated move?
(ii) What are exogenic and endogenic force?
(iii) What is erosion?
(iv) How are flood plains formed?
(v) What are sand dunes?
(vi) How are beaches formed?
(vii) What are ox-bow lakes?
Give reasons:
(i) Some rocks have a shape of a mushroom.
(ii) Flood plains are very fertile.
(iii) Sea caves are turned into stacks.
(iv) Buddings collapse due to earthquakes.
Activity
Observe the photographs given below. These are various features made by a river. Identify them and also tell whether they are erosional or depositional or landforms formed by both.
