Answer:The amount of each element that begins photosynthesis equals the amount of each element that is produced
Explanation:
 
        
             
        
        
        
its like the human body rectum its there but serves no purpose but when we evolved we eveolved to eat different foods and different foods mean different digestion
 
        
             
        
        
        
A, D, and F because if biotic once it dies it doesnt lose the biotic factor.
        
                    
             
        
        
        
The answer would be B. chromosome 21