If you know that you are not pregnant, how long is too long before you should be alarmed if you don't have your period? What could be the possible reasons for a delayed period?
WEATHER: The tundra is the coldest and the driest of all the biomes on Earth. There is very little rainfall in the tundra; it rains less than ten inches a year. Winters here are long, and summers short, sometimes they last for only 6 - 10 weeks. In the winter the temperature can reach -50Â°F (-45.5Â°C).
What Makes the Tundra Biome Unique. The Tundra biome is the coldest of all five world biomes. A Tundra is a treeless area near the Arctic where the ground is always frozen and there's very little plant life. Tundras are found just below the ice caps of the Arctic, across North America, in Europe, Siberia and Asia.Most of Alaska and almost half of Canada are located in the Tundra biome.Tundras cover about one-fifth of Earth's land surface. There are two different types of Tundras: Arctic and Alpine.undras are found just below the ice caps of the Arctic, across North America, in Europe, Siberia and Asia. Most of Alaska and almost half of Canada are located in the Tundra biome. Tundras cover about one-fifth of Earth's land surface. There are two different types of Tundras: Arctic and Alpine.