Answer:
water polarity causes cohesion that pulls other water molecules up through a plant.
Explanation:
Water for plants is essential because it constitutes one of the necessary elements so that they can generate their food through the process called photosynthesis. 
In effect, plants take the hydrogen from a water molecule and discard the oxygen, providing the atmosphere with this essential gas for life.
 
        
             
        
        
        
I believe it is Nerve Cells
Correct me if I'm wrong. 
 
        
                    
             
        
        
        
Answer:
all of these affect enzyme activity 
 
        
             
        
        
        
Sounds like the puppy has round worm, if that's the type of answer your looking for..