Consider the following statements about the rivers of Kerala and choose the correct ones.
- There are 40 minor rivers and 4 medium rivers in Kerala.
- The Ayirurpuzha is the smallest river in South Kerala.
- The Ramapuram River is the smallest river in Kerala that flows into the sea.
- Kerala has no rivers longer than 150 km.
A3 only
B2, 3
C2, 4
D1, 2, 3