Devoir de Philosophie

Tundra, Polar Deserts, and Ice - geography.

Publié le 27/05/2013

Extrait du document

Tundra, Polar Deserts, and Ice - geography. Canadian Tundra A large area of tundra surrounds the Arctic Ocean. The tundra supports grasses, mosses, lichens, and heather that survive subfreezing temperatures during the long winter and grow and bloom during the brief, cool summer. In Canada and Alaska, this plant life sustains animals such as polar hares, ptarmigans, voles, caribou, and polar bears. So far this thinly settled ...

Liens utiles