Northern, or of the Arctic.
The prevailing conditions of temperature and precipitation.
Evergreens-trees or shrubs bearing cones.
A climate type that develops away from the influence of oceans.
Trees that shed their leaves annually.
An area of soil or silt deposits built up at the mouth of a river.
To wear down the surface of the Earth by wind, water or weather.
A steep cliff formed by erosion or faulting.
Movement along a crack or cracks in the Earth's crust.
Mountains created by the bending of rock layers.
the usual shape of a tornado; a tube of winds spiralling at high speeds.
Land being covered with thick, moving ice.
A climate that is strongly influenced by the closeness to a large body of water.
Lowland that is flooded in wet weather and almost always wet.
A level bog or swamp found in Canada
A flat area at high elevation.
Area on the leeward slope of the mountain with little precipitation.
An area with similar characteristics.
A valley that is created when the portion of land between two faults drops down.