Africa Environmental Issues Quiz

What is deforestation?

• When acid rain falls on forests

• When people cut down trees

• When people plant trees

What is one reason for deforestation?

• To stop the spread of disease

• To reveal the hiding places of enemies

• To get more land for growing crops

What is desertification?

• When usable land turns into rainforest

• When farmers destroy trees for crops

• When soil becomes degraded (dry and unusable)

What are some causes of desertification?

• Cutting down trees and overgrazing

• Over farming and planting trees

• Wind erosion and planting gardens

Which is a result of desertification for the people living in the Sahel region?

• decreased support from the United Nations

• more jobs in manufacturing

• increased starvation and poverty

Why are droughts a problem for farmers in the Sahel?

• The soil is of poor quality and dry conditions results in even fewer crops

• The desert stops expanding when there is rain in the Sahel

• People do not try to farm in the Sahel any more due to the increased rainfall

Which is true about water pollution?

• Factories always pollute water.

• Everyone contributes to water pollution, even if they don't mean to.

• Farmers throw lots of pollutants into rivers, streams, and lakes on purpose.

Which are some causes of water pollution?

• Acid rain, deforestation, and desertification

• Factories, farms, and the population's vehicles

• Point-source pollution, desertification, and acid rain

Why do some governments ignore industrial pollution of major rivers and waterways?

• Most government officials do not recognize pollution as a problem

• They want the industries to be profitable

• Industries always have plans in place to clean up polluting wastes

Deforestation of the rainforest can lead to:

• Increased Carbon Monoxide in the atmosphere

• Increased Carbon Dioxide in the atmosphere

• Flooding because the trees act as a wall between the Congo river and Sahel region