CHAPTER 21SECTION 1

ASSESSMENT

Page 516-519 1-3Reviewing, Ideas, Terms, and

Places

1. a. Describe What is the inland delta on the

Niger River like? The Inland delta is a network

of channels, swamps, and lakes.

1. b. Summarize What is the physical

geography of West Africa like? The Physical Geography of

West Africa is mostly plains with a few highlands and also high mountains in the northeast.

1. c. Elaborate Why do think most of West Africa’s

cities are located on the coastal plain?

Coastal Plain is an area with plenty of rainfall and water for farming and transportation.

2. a. Recall Why do geographers say

West Africa’s climates are zonal?

The climates stretch east to west in bands or zones.

2. b. Compare and Contrast What is 1 similarity and 1 difference

between the Sahel and the Savanna? Similarity they both support some

agriculture with enough rainfall; the difference is savanna is farther south and has taller grass unlike the Sahel is farther north and shorter grass.

2. c. Evaluate How do you think

desertification affects people’s lives in West Africa?

Desertification takes away land that could be used for farming and cattle grazing.

3. a. Identify What is the most valuable

resource in West Africa?

Most valuable resource in West Africa is OIL.

3. b. Make Inferences Where do you think most of

the crops in West Africa are grown?

Most of the crops are grown in the tropical savanna climate zone.

4. Identifying Cause & EffectCauses Desertification Effects

Overgrazing Sahara expands south

Too many trees cut down

Desertification Loss of farmland

Soil loss People have to move away

Drought Hunger and Famine