FIRST CONTACTS 28000 BCE 1821 CE
NATIVE AMERICANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hilly and steep gorges
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Forests and rivers
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Flat and treeless. Extreme cold with snow and ice
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Ocean coast
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Detailed explanation-1: -tundra, a major zone of treeless level or rolling ground found in cold regions, mostly north of the Arctic Circle (Arctic tundra) or above the timberline on high mountains (alpine tundra).
Detailed explanation-2: -Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of the year, but summer brings bursts of wildflowers.
Detailed explanation-3: -Tundra is the coldest of all the biomes. Tundra comes from the Finnish word tunturi, meaning treeless plain. It is noted for its frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons.
Detailed explanation-4: -The landforms of the tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and lichens. Scattered trees grow in some tundra regions. The ecological boundary region between the tundra and the forest is known as the tree line or timberline.