Answer:
 there are many different cultures
there are different practices
different languages spoken in different countries
 
        
             
        
        
        
One reason is that the plates float on a hot boiling mentle. when the heat rises and the mentle expands the plates above it also moves. 
the other reason is that the plates themselves move.plates have warmer inner sides that tend to rise. and colder outer side that tends to sink. this tug of war between the hotter and colder sides of the plate also helps them move.
        
             
        
        
        
The geography of East Asia is described as mountainous. An example is the geography of west and north China. It is usually dominated with mountains, steppe lands, plateaus, and deserts. I hope my answer has come to your help. God bless and have a nice day ahead!