Relief

• The Amazon has a large supply of Humus from decaying vegetation of deciduous trees
• Equal spread of upland and lowland relief
• The Brazilian Highlands are half the countries landmass and form a natural wall to the West of Brazils national coastal cities.
• The Guiana Highlands are located North of the Amazon Basin and are made up of rolling hills up to 3000m above sea level
• The Amazon Basin drains nearly 60 % of the continent with its sloping relief