Atlantic South America

Which countries are included in Atlantic South America?

• A) Brazil, Argentina, Uruguay, and Paraguay

• B) Chile, Peru, Bolivia, and Ecuador

• C) Colombia, Venezuela, Guyana, and Suriname

What fraction of South America does Atlantic South America cover?

• About two-thirds

• About one-third

• About one-half

• About three-quarters

Which river system is the largest in the world and flows across northern Brazil?

• The Amazon

• The Nile

• The Mississippi

• The Yangtze

What percentage of Earth's surface water flows down the Amazon?

• About 20%

• About 10%

• About 30%

• About 5%

What is an estuary?

• Estuaries are partially enclosed body of waters where freshwater mixes with salty seawater.

• Estuaries are large open oceans with no freshwater influence.

• Estuaries are freshwater lakes with no saltwater.

• Estuaries are desert areas with no water bodies.

The climate and vegetation in Atlantic South America can be described as:

• Tropical with dense rainforests

• Arid with sparse desert vegetation

• Temperate with deciduous forests

• Polar with tundra vegetation

What natural resources does the Amazon rainforest provide?

• The Amazon rainforest provides food, wood, rubber, plants for medicines, and other products.

• The Amazon rainforest provides only minerals and metals.

• The Amazon rainforest provides only oil and natural gas.

• The Amazon rainforest provides only water resources.

What threatens the Amazon rainforest?

• Deforestation threatens the Amazon rainforest.

• Urbanization threatens the Amazon rainforest.

• Climate change threatens the Amazon rainforest.

• Mining activities threaten the Amazon rainforest.

What has led to soil exhaustion in Brazil?

• Deforestation

• Overgrazing of cattle

• Continual replanting of the same crops

• Urbanization

Dams in Brazil frequently provide which resources?

• Hydroelectric power

• Natural gas

• Coal

• Oil