Answer:
b. cladophora
Explanation:
The cladophora algae is a type of green algae that grows attached to rocks or wood that are underwater. It forms short, rigid green filaments that branch, it's smell is similar to mushrooms. The cladophora is introduced in aquariums via contaminated plants or equipment, therefore to prevent it's formation it is necessary to clean everything before intoruducing it to the aquearium. This algae is so resistant once installed that usually the tank has to be re-started.  
 
        
             
        
        
        
You are correct the answer is nuclear fusion
        
                    
             
        
        
        
Black the creamer makes it look white along with the side of the cup that it is in and the lighting and your phones picture could also make it different than it looks
        
                    
             
        
        
        
C)All DNA is made of the same components so there would be no difference.
Is the answer.