- The Amazon River is the second longest river in the world and the largest by volume of water flowing through it.
- It drains an area of about 7,050,000 km2 (2,720,000 sq mi), which is about 40% of the continent of South America.
- The Amazon River has an estuary that is about 100 km (62 mi) wide and 100 m (330 ft) deep.
- It is located in the state of Pará in northeastern Brazil.
The estuary of the Amazon River is very important because it is a rich source of biodiversity.
- It is home to many species of fish, shellfish, and other aquatic life.
- The estuary also serves as a nursery for many species of fish and other animals.
- In addition to its biological importance, the Amazon River estuary is also very important economically.
- It is a major shipping route for goods and services, and it also supports a thriving fishing industry.