Respuesta :
There are three major river systems in South America: The first, the Amazon, is the second-largest river in the world after the Nile and by far the largest by discharge, releasing over seven million cubit feet of water per second.
There are three major river systems in South America: The first, the Amazon, is the second-largest river in the world after the Nile and by far the largest by discharge, releasing over seven million cubit feet of water per second.