★ Must-know
Further detail
1. Which characteristic best defines a plain?
2. Why are plains especially important for human activities?
3. Which combination of conditions identifies a grassland?
What defines a plain in terms of land shape and slope?
A large, wide area of land that is flat or almost flat with a gentle but never steep slope.
What defines a grassland in terms of rainfall and vegetation?
It is a plain with enough rain for grasses about one metre high and scattered trees in wetter parts.
Which two major plains are among the world's largest?
The Eurasian Steppe and the Great Plains of North America.
Where are most hot deserts located in relation to the Equator?
Between 20° and 35° north and south of the Equator.
What is the frozen ground in Arctic tundra plains called?
Permafrost.
What is a floodplain?
A flat area beside a river built from river sediments and flooded regularly.
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