Answer:
Particles need to collide in order to react. Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions? The molecules move more quickly in the sawdust than in the block of wood. The pressure of oxygen is greater on the sawdust.
 
        
                    
             
        
        
        
Ethnic is what you call a group sharing a distinctive cultural traits
        
             
        
        
        
Answer:
Domain
Explanation:
The order of classification is like this (from biggest to smallest):
Domain -> Kingdom -> Phylum -> Class -> Order -> Family -> Genus  -> Species
Hope this helped!