With reference to the flow system of Rajasthan, consider the following statements : 1 . Most of the rivers in Rajasthan have their origin from the Aravalli mountain ranges. The catchment areas of all the rivers in the state are small and have low stream density 3. Most of the rivers of the state are in the western part. 4. The impact of the topography and the amount of rainfall on the catchment areas of rivers in the state is clearly visible. The correct statement among the above statements is :

• A. 2 and 4
• B. 1 and 4
• C. 1 and 3
• D. 1 , 2 and 4