The Amazon River basin is the world's largest river basin, discharging 20 percent of the water discharged by all rivers around the world.The Amazon's mouth is 150 miles (240 km) wide, and a broad area of forests surrounding the river are flooded every year.This suggests that the topography of the lower part of the Amazon basin is mostly
A) mountainous.
B) flat or concave.
C) moderately hilly.
D) a single deep trench.
E) alternating high mountains and deep valleys.

Question

Quizplus · Accepted Answer

The fact that a broad area of forests surrounding the river are flooded every year suggests that the topography of the lower part of the Amazon basin is mostly flat or concave.

The Amazon River Basin Is the World's Largest River Basin