in mines that is where you find them
 
        
             
        
        
        
answer is c hope this helsp
 
        
                    
             
        
        
        
Answer:
Madagascar
Explanation:
The largest number of islands of Africa are found in the Indian Ocean, with the sovereign island nations of Comoros, Seychelles, Mauritius and Madagascar located off the southeastern seaboard of Africa being the most notable.
 
        
             
        
        
        
It's an air mass that develops over surface of a large body of water