Which of the following statement is correct 1 . About 7 of Rajasthan. 2 lakh hectares of land is alkaline and saline. 2 . State's 3. 5 lakh hectares of land is suffering from the problem of water logging. 3. About 4 of the state. 5 lakh hectares of land is suffering from the problem of erosion 4. Sandy soil is highly fertile.

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