Which information would be most useful for her to add next to the image? The Amazon

Which information would be most useful for her to add next to the image?
The Amazon River is about 4,000 miles long and
goes throygh three countries: Peru, Brazil, and
Colombia.
• Bull sharks have been found swimming in the
Amazon River, thriving as much as 2.300 miles
inland.
Mangroves are trees and shrubs that thrive in
tropical swamps close to the Amazon River in
northern Brazil.
When the Amazon River floods during the rainy
season, it can increase to almost 25 miles wide.