Organelles? that'd be my geuss
        
             
        
        
        
Answer:
Most attenuated vaccines are viral, some are bacterial in nature. Examples include the viral diseases yellow fever, measles, mumps, and rubella, and the bacterial disease typhoid
Explanation:
Hope this helps :)
 
        
             
        
        
        
Grasses are the producers. Gazelles, warthogs, and wildebeests are primary consumers. Lions and cheetahs would be the secondary consumers.
        
             
        
        
        
The answer is B. because the electron transport chains produces the most atp.
 
        
                    
             
        
        
        
It's the nucleus as it contain the DNA