At the founding, America adopted the Western concepts of civil marriage and family, in which the mother played the primary role (shared with the father) in nurturing children, with the formation of character and moral values as essential objectives.
Tundra climate, major climate type of the KÃ¶ppen classification characterized by sub-freezing mean annual temperatures, large annual temperature ranges (but not as large as in the adjacent continental subarctic climate), and moderately low precipitation.
In physical geography, tundra is type of biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian ÑÑÐ½Ð´ÑÐ° from the Kildin Sami word tÅ«ndar tÅ«ndÃ¢r, uplands treeless mountain. tracthere are few species with large populations. Notable animals in the Arctic tundra include caribou (reindeer), musk ox, Arctic hare, Arctic fox, snowy owl, lemmings, and polar bears (only near ocean-fed bodies of water).