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).
Tundra, the ice desert, frozen prairie, the cold plains of the Far North get their name from the Finnish word tunturia, which means treeless land. The tundra biome is the coldest of all terrestrial eco-systems, and also the most chaotic.Still, the tundra is host to a surprising number of plants and animals, and represents a fascinating testament to nature's adaptability, and cruel beauty.undra, the ice desert, frozen prairie, the cold plains of the Far North get their name from the Finnish word tunturia, which means treeless land. The tundra biome is the coldest of all terrestrial eco-systems, and also the most chaotic.