Consider the following statements and select the correct answer using the codes given below :
1. The Bhabar tract is a pebble studded zone.
2. The Bhangar represent the newer alluvium.
3. The Khaddar represent the older alluvium.
4. The Terai is a zone of excessive dampness.
1
1, 2 and 3 are correct
2
2 and 4 are correct
3
1 and 4 are correct
4
1, 2, 3 and 4 are correct