I've checked all the options and I think that the right answer looks like this: Mollusks have highly developed olfactory receptors.
 
        
             
        
        
        
Water is an important transport and reaction medium  
hope this helps :)
        
             
        
        
        
Answer:C
Explanation:
 Trigeminal Because
its a nerve responsible for sensation in the face and motor functions such as biting and chewing.
 
        
             
        
        
        
Answer:
Thymine Is the Answer To The Question
Explanation: