Answer:
Distinction from Tundra Climate
For example, tundra climates usually have a month in which the average temperature rises beyond the freezing point, while this does not occur in polar climates. The hotter month allows the ice in tundra climates to melt, which enable plants and animals to survive.
 
        
             
        
        
        
I think the answer is D:all of the above.
        
             
        
        
        
Answer:
The answer is A. 75 N latitude and 40 W longitude.
Hope this helps! Might be wrong!
Explanation:
 
        
                    
             
        
        
        
Answer:
Mountains isolated many groups that migrated to the region. Dense forest served as a barrier to migration across the region. Vast plains facilitated the migration of people across the region.
Explanation:
CORRECT