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).
the tundra biome 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 dead organic material functions as a nutrient poolharacteristics of tundra include extremely cold climate low biotic diversity simple vegetation structure limitation of drainage short season of growth and reproduction energy and nutrients in the form of dead organic material large population oscillations