Correct Option
The correct option is (c).
Explanation
The Amazon Basin is the region of South America drained by the Amazon River and its tributaries. It represents the most extensive drainage system in the world.Statement-wise Analysis:
- Statement 1 is Correct: In physical geography, the specific place where a river discharges its water into another body of water-such as an ocean, sea, lake, or another river-is technically defined as the river's mouth.
- Statement 2 is Incorrect: The Amazon Basin is the largest river basin in the world by area and volume. While the Nile River is generally considered the longest river in the world, its drainage basin is significantly smaller than that of the Amazon.
- Statement 3 is Correct: A river basin is the entire area drained by a river and its tributaries. The Amazon River is joined by numerous tributaries (such as the Madeira, Purus, and Rio Negro) which collectively form the vast Amazon Basin.
Key Takeaway: The Amazon River forms the largest drainage basin in the world, whereas the Nile River is distinguished as the longest river in the world.