Question

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Answer 1

Answer:

1) Tundra vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra regions. The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or timberline. The tundra soil is rich in nitrogen and phosphorus.

2) Polar Bear, Gray Whale,Ringed seal,ribboned seal

3)The frigid zones are the coldest regions of Earth and are generally covered in ice and snow. It receives slanting rays of the sun as this region lies farthest from the equator. The Summer season in this region lasts for about 2 to 3 months and there are almost 24 hours of sunlight during summer.

4)The indigenous peoples of the North American Arctic include the Eskimo (Inuit and Yupik/Yupiit) and Aleut; their traditional languages are in the Eskimo-Aleut family. Many Alaskan groups prefer to be called Native Alaskans rather than Native Americans; Canada’s Arctic peoples generally prefer the referent Inuit.

Explanation:

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