Answer:
B.The longest river in the world
Explanation:
The Amazon basin is characterized by having the largest amount of fresh water and the longest river in the world. The Amazon River is seven thousand meters long and has a water volume of two hundred and ten cubic meters.
This river has the characteristics of having a mixed mouth and covers most of the northern Brazilian region, passing through seven states. Amazonas is essential for supplying cities, fishing and navigation, etc.
