According to scholars, the first humans came to Oklahoma from:
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
The first natives came from Asia the part that is now known as Siberia Russia
So your answer is (A) Asia
                                
             
                    
              
              
                
                

According to scholars the first human came to okhlama was from Asia 
Asia is the largest continent among all the other continent. 
thanks 
 
                                
             
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