Chapter 21 Section 1 assessment Page 516-519 1-3 Reviewing, Ideas, Terms, and Places Chapter 21 Section 1 assessment

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 & Effect Causes Desertification Effects Overgrazing Sahara expands south Too many trees cut down Loss of farmland Soil loss People have to move away Drought Hunger and Famine