B - 17
The atomic number always matches the number of protons, or 17 p as listed in the image.
Hope this helps!
 
        
                    
             
        
        
        
Answer:
False
Explanation:
Annelids are actually more closely related to species within the mollusk phylum than they are to their worm cousins in the flatworm and roundworm phyla. Although they look quite different on the outside, mollusks and annelids share a more recent common ancestor than roundworms and annelids.
 
        
             
        
        
        
<span>ithink its Phospholipids</span>
        
                    
             
        
        
        
Answer:
because they have thicker walls
Explanation:
blood is punped our of the heart very fast which means it would need a blood vessel witch thick walls to withstand the pressure. thin walls would cause the blood vessle damage and may evwn break as it wouldn't be able to withstans the pressure.