Chapter 20 Flashcard Review

Front

Which of these is a major difference between the Sahara and the Sahel? Options: The Sahara has larger forests. The Sahel receives more rainfall. The Sahara has more cropland. The Sahel records higher temperatures.

Back

The Sahel receives more rainfall.

Front

Marginal land is best described as land that is _________________?

Back

not well suited for farming

Front

What do Ergs, Regs, and Hammadas have in common?

Back

They are all desert land-forms.

Front

What does this diagram tell about oases?

Back

Oases are created in many ways.

Front

What is the main reason pastoral nomads move from place to place?

Back

to find fresh pasture for their herds

Front

Which statement explains the importance of date palms best? Options: Date palms provide shelter for nomads and their herds., Date palms provide food, fuel, and materials for homes., Date palms provide drinking water for people and animals., Date palms provide a cash crop for farmers on marginal lands.

Back

Date palms provide food, fuel, and materials for homes.

Front

All of the following are major causes of desertification except ______________: overgrazing, deforestation, long-term drought, shifting agriculture.

Back

shifting agriculture

Front

Which of the following are most threatened by desertification? croplands, forested areas, marginal lands, wilderness areas

Back

marginal lands

Front

Which definition matches best with desertification?

Back

The process in which an area becomes increasingly dry.

Front

The Sahara gets its name from the Arabic term "sahra" which means _________.

Back

Desert