I believe it is idiopathic. 
        
                    
             
        
        
        
Both provide approach to confirming the result of experimentation.
        
             
        
        
        
A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixtureconsists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.