The amazon
The Amazon river is Brazils largest river.
Amazon
The physical features are Brazilian Highlands, Amazon rainforest and the Amazon river!
The longest river is the river Nile
=== === === ===
A delta.
crocodles
Brazil's 2nd largest city is Rio de Janeiro
The Danube.
Huang He
15,000 years
The Amazon is certainly the largest and most impressive, but the Rio Parana provides power and economic advantages that exceed the tourism value of the vaunted Amazon.