Answer:
- These young fold mountains strech from Kashmir in the West to Assam in the East.
- They are about 2,400 km long and 150 to 450 km wide.
- The Himalayas are known as young fold mountains because they were formed comparatively recently in the earth's history as a result of compression.
- They strech from the Indus river in the West to the Brahmaputra river in the East.
- The Himalayas consist of three parallel ranges :-
- The Himadri (Great or Inner Himalaya)
- The Himachal (The Middle Himalaya)
- The Shiwaliks (The Outer Himalaya)
Fold mountain means An upland area such as the Himalayas or Alps formed by the buckling of the earth's crust.