DUA Review

In which country does the government have the most influence over the economy?

• South Africa

  
  

• Nigeria

  
  

• Botswana

• Kenya

Which of the following are significant contributing factors to deforestation in Africa? Select all that apply.

• commercial logging

  
  

• gathering firewood

• expanding farmland

  
  

• rapid urbanization

  
  

What are among the main causes of desertification of Africa?

• increased investments in human capital and capital goods

  
  

• the burning of fossil fuels and the creation of acid rain

• widespread drought and the overgrazing of livestock

  
  

• air and groundwater pollution created by the oil industry

  
  

Despite the damage their actions do to the environment, how do people living near the rain forests in Africa typically meet their basic needs?

• by digging oil wells in the fields near the forests

  
  

• by cutting down trees for fuel and to clear land for farms

  
  

• by mining gold and diamonds in large surface mines

• y fishing in rivers already depleted by overfishing

The most pressing economic issues facing South Africa are which of the following?

• disease and insufficient health services

  
  

• lack of skilled labor and management

  
  

• shortages of minerals and oil

• unemployment and inequality

All of the following are factors that contribute to desertification in Africa except

• the burning of fossil fuels.

• the overgrazing of livestock.

• 
  the draining of surface water.

  
  

• the removal of trees.

  
  

What is the best way to describe the economies of Kenya, Nigeria, and South Africa?

• They are pure market economies

• They are mixed economies.

• They are pure command economies.

• They are traditional economies

What is it called when land is dried out, trees and grass die and topsoil is blown away?

• Desertification

• Missionary

• Tributaries

• Guerilla

What is a significant threat to the rain forest mentioned in the text?

• Overgrazing

• Deforestation

• Urbanization

• Mining

Which of the following is a major consequence of deforestation in Africa?

• Increased biodiversity

• Improved air quality

• Expansion of urban areas

• Soil erosion