socials
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Created by:
irdagarimas on September 23, 2010
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10 terms
Terms | Definitions |
|---|---|
 canadian shield | once a volcanic mountain range, over millions of years, weathering and erosion wore it down to a landscape of exposed rocks and valleys. shield was orginally made of igneous rock from its volcanic state, over time, it turned into metamorphic rock. |
| interior plains | formed as eroded material from the canadian shield, millions of years ago, when land had tropical climate and covered in water, flooding left depoists of plantsand animals and over time, they were compressed between the sedmintary layers to form fossil fuels and evaporites. |
| wester mountains | made up pf parallel mountian ranges separated by platues and valleys, mountains like this are called cordillera. rocky and coast mountains and interior plateau were formed when plate collision caused the earths crust to buckle, which left sections of it into the air. preasure of the plate tectoncs also caused the terrion to form valleys, plateaus, and trenchs. erosion from rivers and glaciers also sculpted the mountains landscape. |
| continental climate | temperature extremes and low precipition |
| maritime climate | mild, temperture and high presipition |
| boreal forest | coniferous trees (fur,pine) podzol soil, acidic and not fertile deer, moose, beaver |
| parkland | long grass with isolated trees after long grass decays, it provides humus resulting in rich black soil deer, moose, beaver |
| prairie | dry in southwest, moist northwest grassland brown soil and high mineral content squrriels, gophers, prairie dog |
| interior mountain range | meadows, plateaus, and mountains vegetation highly varied, pine forests soil varid, perma forst, like coniferous and prairie mountain goats, sheep, rattlesnake |
| coastal forest | massive coniferous trees podzoil soil bear |
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