chapter 20 homework

Chapter 20, Section 1

1. How has the shifting of tectonic plates affected the development of the landforms of Africa south of the Sahara?

Tectonic plates have affected the development of landforms by either widening or closing the area. Making a plane bigger or a mountain range narrower.

2. How do landforms affect the water systems of Africa south of the Sahara?

Most of the water systems are not affected. Only by drought.

Creative Writing: Write a paragraph about how landforms and water systems in Africa south of the Sahara cause problems for the nations in the region as they try to take advantage of their mineral resources.

The mineral resources in Africa are not distributed evenly throughout all the countries. One country may have more of this, and one may not have any. Also there is not enough money in the countries, for the development of other ways to produce energy. Countries struggle, yet also make it through.

Chapter 20, Section 2

1. In addition to rainfall, what are three of the geographic factors that affect climate in Africa south of the Sahara? Give examples.

Three examples are ocean currents, living by a coast can make the climate very mild and non changing. Wind patterns, they can blow dry dusty winds through out the environment. Also elevation, if the areas high enough the weather could be bad or good.

2. What are the main kinds of climate and vegetation found in Africa south of the Sahara?

The main type of climates are tropical wet, tropical dry, steppe, desertification, desert, and midlatitude climates. The vegetation found here are rain forests, grasslands, deserts, and fertile lands.

Creative Writing: The Great Plains in the United States and Canada and Africa’s Serengeti Plain are both vast grasslands. Write a paragraph comparing the two regions.

Both are the same because they both can produce crops. Both were once covered by grass. Both can support life because of the vegetation. Theses grasslands are like each other in so many ways.