What are some physical charters tics scientist use to classify vertebrates
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
They are warm-blooded. They have a bony internal skeleton with a backbone and jaws. They breathe only with lungs. They have four limbs.
Explanation:
 
                                
             
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Answer:
A. Sublimation of camphor
 
        
             
        
        
        
Answer:
0.4318 mol
Explanation:
Moles= mass/ mollar mass
Moles= 9.50/22
Moles= 0.4318 mol
 
        
             
        
        
        
D) blue 
(about 400 nanometers)
        
             
        
        
        
Answer:
kinetic 
Explanation:
 
        
             
        
        
        
The proton has a positive charge.