Answer:
fraction maybe??
Step-by-step explanation:
or time
It’s a 50/50 chance since there is only 2 sides. (1?2)
Permafrost occurs in areas where the temperature of the ground remains below the freezing mark for two years or more. About a quarter of the Northern Hemisphere's landscape fits this definition. Most of the world's permafrost is found in northern Russia, Canada, Alaska, Iceland, and Scandinavia.
