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.
Learn more about Tundra Plants and Tundra Animals. What is the Tundra Climate Like? The tundra is the coldest biome in the world. Winters are cold, dark and long. There are several weeks where sun never rises. The average winter temperature is well below -34 degrees Celsius and can fall to -70Â°C in extreme conditions.