As the phase changes occur, the freedom of motion of the particles increases.
        
             
        
        
        
I think the answer is evolution. 
 
        
             
        
        
        
I don't know if this will help but I did a little research and found this-
"A fundamental understanding of the different components of soil organic matter is required to best use it to improve farming systems. Total organic carbon forms are derived from the decomposition of plants and animals. They are capable of decay or are the product of decay..."
 
        
                    
             
        
        
        
ummm
i cant answer that question because you didn't give me the species type or what the species is 
 
        
             
        
        
        
Answer:
Adult cottonmouths are brown.
Explanation:
An observation is a fact that you can clearly see and don't have to guess if it is true or not.