সঠিক উত্তর হচ্ছে: আমাজন
ব্যাখ্যা: Amazon River of South America is the second longest river in the world with a length of 6,400 km. But it is by far the largest river by water flow with an average discharge greater than the next seven largest rivers combined. It flows through Brazil, Peru, Bolivia, Colombia, Ecuador, Venezuela and Guyana.