The nutrients in some soils could be toxic to microorganisms/fish in those ponds or lakes.
        
                    
             
        
        
        
Neurons function to process and transmit information. In vertebrate animals, neurons are the core components of the brain, spinal cord, and peripheral nerves.
        
             
        
        
        
You’re answer is C. I hope this helps!
        
             
        
        
        
North atlantic and the pacific by japan