SSC MTS EXAM

Detailed explanation-1: -The Amazon Basin is a large sedimentary basin (620, 000 square kilometres (240, 000 sq mi)) located near the middle and lower course of the Amazon River, south the Guiana Shield and north of the Central Brazilian Shield. The basin developed on a rift that originated about 550 million years ago during the Cambrian.

Detailed explanation-2: -Ecosystems of the Amazon The Amazon basin is divided into three basic zones: The lowlands of the Amazon-This region lies within 9 countries, is the largest geographical area of the Amazon with mostly flat plains, boundless areas of trees and species, a vast river system, and elevations around sea level.

Detailed explanation-3: -The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about 6, 300, 000 km2 (2, 400, 000 sq mi), or about 35.5 percent of the South American continent.