Answer:
1 They can help the digestive system break down food
2 they can help you fight off germs
Explanation:
 
        
             
        
        
        
The correct formulae is CCl4
        
                    
             
        
        
        
All of the answers would be correct,
hope this helped!! <span />
        
                    
             
        
        
        
Answer:
 here are some example of destruction of coral reefs. i didnt really understand what you were asking but hopefully this will help you!!
Explanation:
Reef Bleaching. Reef bleaching occurs when extreme water conditions cause corals to expel the internal microorganisms that give them their vibrant colors. ... 
Poison or Dynamite Fishing. ... 
Water Pollution. ... 
Sedimentation. ... 
Careless Tourism.