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Smallest geographical region
Humid continental climate
Vegetation: fertile soils, heavily treed, maple,
beech, hickory, black walnut trees, oak, ash,
birch, and pine
Environmental concerns: acid rain, pollution of
the Great Lakes
Topography: rolling landscapes
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More than 2 billion years old
Humid continental climate
Vegetation: spruce, pine, fir, polar and white
birch, and sandy soil
Environmental concern: extraction and use of
resources and timber
Topography: glaciers removed soil
Barren rock surface in many places
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Vast sweep of plain
Not entirely flat
Rolling hills and deep river valleys
Continental climate
Northern portion has arctic climate
Long, cold winters and short, cool summers
Vegetation: trees grew in river valleys
Environmental concern: tornadoes
Topography: devided into central lowlands
and great plains
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Locates between Rocky and Coast mountains
High plateaus
Isolated mountains
Climate: affected by its location and elevation
Environmental concern: birds habitats being
destroyed, 11 bird species are endangered
Topography: streams and rivers never reach
the sea
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Northern Canada
Combination of lowlands and mountains
Climate: very severe, winter lasts for 10 months
and very cold and dry
Vegetation: very few plants can grow
Trees can’t grow on the tundra
Topography: flat Arctic near the ocean
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Mountainous area
Extends for 2400 km
Climate: varies throughout the year and affected
by 2 ocean currents
Vegetation: heavily forested with coniferous and
deciduous trees
Soil was productive
Topography: mountains were formed 300000000
years ago
Not wholly mountainous
Contains fertile plateaus and river valleys
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Lowland area
Climate: subject to hurricanes between late
summer and early winter
Vegetation: soils are very sandy
Pine forests
Lush jungles
Environmental concern: hurricanes
Topography: mostly flat or gently rolling
surfaces
Many swamps and marshes
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Rocky Mountains
Separated by plateaus and valleys
Climate: maritime climate
Vegetation: grasses and cactuses grow in dray
valleys
Great evergreens no longer grow
Giant sequoia, the largest tree, grows
Topography: comprised of new mountains not
yet worn down by erosion
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