3.1 Quiz: North Africa

Why does life in the Sahara cluster around oases?

• Oases have good roads.

• It rains more at oases.

• Water from underground springs can be found at oases.

• An oasis causes big lakes to form.

Who are nomads?

• people who have moved to cities to find better jobs and schools

• people who raise cows on farms for their milk and meat

• people who grow crops to make their living

• people who move from place to place without a permanent home

What change was brought about by the Suez Canal?

• Oil was developed.

• People irrigated more land.

• Ships moved more quickly.

• Deserts expanded due to overgrazing.

What is the most common ecosystem in North Africa?

• Mediterranean brush

• Desert & desert brush

• Mountain grassland & brush

• Tropical or subtropical grassland/savanna

CHECK ALL that are correct. Which of the following are environmental issues in North Africa?

• chemical pollution from farming in the Nile River

• malaria-carrying mosquitoes in Lake Nasser

• hurricanes along the west coast

• desertification due to deforestation and overgrazing

What is the most abundant natural resource in North Africa?

• oil

• gas

• cash crops

• minerals

CHECK ALL that are correct. Through which countries do the Atlas Mountains run?

• Western Sahara

• Morocco

• Algeria

• Tunisia

• Libya

CHECK ALL that are correct. Which North African countries have the largest oil reserves?

• Egypt

• Algeria

• Libya

• Tunisia

• Morocco

CHECK ALL that are correct. What types of problems can be caused by rapidly growing urban populations?

• cities become overcrowded

• not enough good jobs available

• not enough good housing available

• not enough drinking water available

What is the "green wall" in North Africa?

• a belt of vegetation planted to provide enough crops to feed entire villages

• a belt of trees planted to restore wildlife habitat and create jobs for local people

• a belt of trees and vegetation planted to hold soil in place and protect land from desertification

• a belt of trees and vegetation planted to absorb heavy rains caused by the ITCZ (intertropical convergence zone)