作者：Tyler Bradford 7 年以前
2393
Landforms
Different types of landforms offer various advantages and disadvantages for human settlement and activities. Plateaus, such as Island In The Sky and the Columbia Plateau, provide natural barriers for protection and do not flood like valleys, making them suitable for farming and building shelters.
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Desert Disadvantages: no water, cannot farm due to
the extreme heat and dry land. Advantages: provide a natural boundary for
protection because it is very hard to cross. Some well known
deserts include the Sahara
desert and the Gobi Desert. Definition: A very hot and dry
area of land with little to no rainfall. Disadvantages: They can flood very easily, can
have dangerous animals living in them. Advantages: Natural supply of water and
food, can be used for transportation,
creates fertile soil. Some well known
mountains include the Mississippi
River and the Nile River. Definition: A large flowing body
of water that usually empties into
a bay or sea. River Disadvantages: usually very dry so you
cannot farm. Advantages: easy to build shelter on the flat surface,
a natural barrier for protection. Some well known plateaus are Island In The Sky,
and the Columbia Plateau. Definition: A large flat area of land higher
than the land around it. Plateau Disadvantages: can easily flood, takes up
space that could be used for farming, Advantages: Access to water for farming,
fresh water can be used for drinking. Some well known lakes include Lake Superior, Lake
Michigan, and Lake Erie. Definition: A large body of water surrounded
by land on all sides. Lake Disadvantages: If near a river will easily flood,
no natural barriers for protection. Advantages: Great for farming, easy to
build shelter for settling. Some well known plains include the Great Plains
in North America, and the Pampas in South America. Definition: A large area of flat
land with only small changes in elevation. Plains Disadvantages: Harder to farm, harder
to build a shelter. Advantages: Natural barrier for protection,
does not flood like a valley. Some well known hills include: Capitol Hill,
and 7 Hills of Rome. Definition: A raised area, or
a mound of land. Hills Disadvantages: They can flood very easily, usually there is a lot of rainfall. Advantages: Soil is great for farming,
They provide good land for settling. Some well known valleys include Douro Valley
in Portugal, and Cerce Valley in France. Definition: A low area of land
between mountains or hills. Landforms Island Disadvantages: Less land to farm, you are
isolated from the rest of society. Advantages: The water surrounding
the island is a natural barrier for protection, the
water also provides a natural source of food. Some well known
islands are the Hawaiian Islands
and Maui. Definition: A piece of land that is
completely surrounded by water. Canyon Disadvantages: very dry land that is
unable to be farm. Advantages: Natural protection from
invaders, river is a source of fresh water and food. Some well known
canyons include the Grand
Canyon and the Copper Canyon Definition: A deep valley with steep,
rocky sides. Usually has a river running
through it. Valleys Mountains Disadvantages: Less land for planting crops,
difficulty transporting good, Advantages: Natural protection from
invaders, cleaner air and water, Some well known
mountains include the Rocky
Mountains and the Himalaya
Mountains. Definition: A land form that
extends above surrounding
terrain. A mountain generally
steeper than a hill.
