A river in Brasilia

Answer 1

Brazil has a dense and complex system of rivers, one of the world's most extensive, with eight major drainage basins, all of which drain into the Atlantic Ocean. Major rivers include the Amazon, the largest river in terms of volume of water, and the second-longest in the world; the Paraná and its major tributary, the Iguaçu River, where the Iguaçu Falls are located; the Negro, São Francisco, Xingu, Madeira and the Tapajós rivers.