Deserts
description
Transcript of Deserts
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Deserts
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Map of deserts
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DesertsWho- people actually do live in the deserts and adapt well to the
heat these people are usually nomads or sometimes even hunters and gatherers
What- A desert is a big plain area with usually very high in temperature and rarely water, possibly even none.
Where- Many deserts are found in bands along 30 degrees latitude north and 30 degrees latitude south.
When- I can’t see when exactly it rains in the desert but it rains less than 200mm per year.
Why- why are deserts so hot? It’s mostly because of the lack of water. And there is less moisture in the air.
How- when trees are cut down, there are no tree roots to hold the soil in place. This means wind erosion can pick up more good topsoil and take it away.
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Rivers
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RiversWho- Many different types of plants and animals grow and live along a river’s
banks, including trees, shrubs, birds, and insects.
What- definition: A large natural stream of water flowing in a channel to the sea, a lake, or another stream.
Where- Rivers are mostly found where there has been a big melt like a glacier or at a natural spring.
When- Rivers overflow when the volume of water is greater than the capacity of the river banks.
Why- river flow downhill toward a sea or ocean.
How-rivers are formed from small erosions making a narrow channel then water falls and flows down that channel.
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MOUNTAINS
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mountainsWho- New Zealander Edmund Hilary was the first person to reach the top of
mount Everest.
What- In terms of Mountains with public ski areas - Mt. Hood's Timberline Lodge generally gets some of the highest snow totals each year.
Where-They start under the ocean and come up when the plates come together. So they form under the ocean
When- when do mountains stop moving? Mountains never stop growing.
Why- why do mountain tops have snow? ground absorbs more heat than high altitude places and that causes the air to be actually not so hot on high places.
How- how are mountains are formed? There are actually several ways that mountains are formed, and they all have to do with processes that take millions of years.