The Amazon rainforest is the largest forest that grows in the tropical basin of the Amazon River.
The forest lies in a basin drained largely by the Amazon River, with 1100 tributaries. It is a moist broadleaf forest that covers seven million square kilometres (1.7 billion acres), of which five and a half million square kilometres (1.4 billion acres) are covered by the rainforest.lungs of planet
This region includes territory belonging to nine nations. The majority of the forest is contained within Brazil, with 60% of the rainforest, followed by Peru with 13%, and Colombia with 10%. Venezuela, Ecuador, Bolivia, Guyana, Suriname and French Guiana have just a small amount of rainforest.[1]
The Amazon represents over half of the planet's remaining rainforests, and it is the largest and most species-rich tract of tropical rainforest in the world. The forest was formed at least 55 million years ago, in the Eocene period.