Answer:
The Kayapo tribe is considered the original inhabitants of the Amazon basin -and they a hunt, fish, gather fruit from the forests and practice 'slash and burn agriculture. Forest tribes is used to fulfil local needs as well as for export. In recent years oil and gas exploration, the spread of ranching and farming along little logging for commercial purposes has caused massive deforestation is this area. Roads have been built to develop this region commercially 12,000 kms of new roads the longest being the Trans-Amazonian Highway 5300 km long. This Highway links Manaus (a rubber collecting centre). Roraima in Brazil Railway lines, airstrips have been made to transport raw and finished goods as these rainforests are a storehouse of a number of minerals such as iron ore, bauxite, manganese, gold, silver, etc. Dams have been built to harness water resources for all these activities.
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