The government of India encourage the cultivation of 'sea buckthorn'. What is the importance of this plant?1. It helps in controlling soil erosion and in preventing desertification.2. It is a rich source of biodiesel3. It has nutritional value and is well-adapted to live in cold areas of high altitudes.4. Its timber is of great commercial value.Which of the statements given above is/are correct?

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