DESERTIFICATION

_____ is a problem to most African governments, even those that are democratic

• corruption

• tradition

• religion

• irrigation

When too many trees are cut, rain washes away the nutrient rich ground. This causes:

• political conflict

• deforestation

• desertification

• water waste

Desertification...

• Can only happen in deserts

• Is a key driver of climate change

• Often involves soil degradation

• Requires humid conditions

The Great Rift Valleys in Africa were formed by tectonic plates

• colliding together

• Pulling apart

• Sliding past each other

• Uganda

Some African countries have multiple government, environmental, and economic challenges causing _____ in certain regions.

• instability

• conflict

• deforestation

• desertafication

What types of human activities can cause desertification?

• Farming

• Slash and Burn Agriculture

• Grazing Animals

• All of the above

_____ move their herds around to graze on greener pastures.

• Tribes

• Nomads

• Livestock

• Indigenous tribes

An environmental challenge facing the Great Man-Made River is that pumping water near the coast

• may pollute coastal waters.

• may contaminate aquifers with salt water from the sea.

• may contaminate aquifers with sewage and waste from coastal waters.

• may contaminate aquifers with oil by products from oil reserves.

Poverty causes desertification through...

• Overgrazing

• Overcultivation

• Lack of education regarding farming techniques

• All answers are correct

Which statement about the environmental impact of regional oil and petroleum industries is true?

• Due to safety rules set by North African countries, oil spills along the subregion’s coasts are rare.

• When oil spills occur, countries work together quickly and efficiently to limit damage.

• Winds can blow oil spills toward land and endanger coastal and marine environments.

• The North African oil and petroleum industries have been responsible for several of the most destructive oil spills in history.