Alluvial fan could be the answer. Alluvial fans are cone shaped deposits of sedimentary particles. The particles can be sand. silt, gravel or clay. These land-forms are formed at the mouth of canyons or in valleys where ephemeral streams can occasionally transport material to the mouth of the canyons. An ephemeral stream is one that is created after a shower of rain or other form of precipitation; they are not permanent streams.   <span />
        
             
        
        
        
Answer Continents can change in size while tectonic plates stay the same.
Explanation:
 
        
             
        
        
        
Answer:
wind, air temperature,and water vapour pressure
 
        
             
        
        
        
Why might a post classical civilization want to conquer Egypt and the Nile River Valley? It's fertile land provided the foundation for the first human civilizations and its access to the Persian Gulf and location between Europe, Asia, and Africa made it a center of trade.
 
        
             
        
        
        
I think they all identify climate regions.<span />