Question

On the basis of Fig, answer the following questions:

1. What is the range of the altitude of Amazon river basin?
2. Between which two highlands is the Amazon river basin located?
3. Observe the region with the altitude 500 to 1000 metres. Describe the locational extent of this region shown in yellow with reference to direction.
4. What do the isolated regions shown in yellow indicate?
5. Besides the Amazon river basin, where else do you find regions with an altitude of less than 200m?
6. Describe the plateau region with height of 200 to 500 m through which tributaries of Amazon flow in your own words.

Answer 1

1. The range of altitude of the Amazon river basin is from 0 metres to 200 metres.
2. The Amazon river basin is located between the Guyana Highlands and the Brazilian Highlands.
3. The region in yellow represents the Brazilian Highlands. They cover most of the eastern and southern parts of Brazil.
4. The isolated region shown in yellow indicate the Brazilian Highlands or the Brazilian Plateau or the Brazilian Shield.
5. Besides the Amazon basin the other regions with an altitude of less than 200m are the Pampas, Parana and Paraguay basin, as well as the Eastern and Northen coastal region.
6. The highlands here gradually slope towards north and slopes are not very steep. The tributaries of Amazon, eg. Xingu river flowing through this region make rapids and waterfalls.