Match the following List I (Rivers) List II (Sources) A. Ob 1. Brazilian Plateau B. Parana 2. Altai Range C. Mackenzie 3. Sierra Leon D. Niger 4. Great Slave Lake

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