They do, but very slowly. Mostly when growing or wind is hitting it.
        
             
        
        
        
D is the answer. Since it’s caused by a subduction.
        
                    
             
        
        
        
Answer:
C. keeping the strands separated during replication.
I think
Explanation:
 
 
        
             
        
        
        
Teach better , make sure we have a good understanding of things
        
             
        
        
        
It is twisted to create a greater surface area for digesting and to increase the nutrient absorption.