Consider the following statements about the Himalayan river system in India:
1. They are typical examples of antecedent drainage.
2. The rivers of this system form meanders and often shift their beds.
3. Jhelum and Yamuna are antecedent only to the Lesser and Outer Himalayas.
Which of the above statements is/ are true?1
1 and 2 only
2
1 and 3 only
3
1 only
4
1, 2 and 3