The answer is b. For example, nuclear fusion in the sun (an exergonic process) releases energy as light and heat, and powers the initial steps of photosynthesis (an endergonic process). 
        
             
        
        
        
Answer: i belive its A but i may be wrong sorry if i am
Explanation:
 
        
                    
             
        
        
        
<span>Georgio instantly feels pain due to the message carried to his brain by </span>myelinated axons.  The message of the ache is carried by unmyelinated axons.
The myelinated axon is highly "insulated" axon that r<span>eceives input and transmit impulse quickly.</span>
The purpose of the naked axon with larger dendritic field which is called unmyelinated axon is to receive as much input as possible.
        
             
        
        
        
the correct answer is the first one. density = mass / volume.
i hope this helped!
 
        
             
        
        
        
Everything that surrounds us is our environment