Answer:
photosynthesis is the answer 
 
        
                    
             
        
        
        
The most energy is always at the bottom of the food chain so C. <span>#TeamAlvaxic</span>
        
                    
             
        
        
        
Organ System, Organ coll, tissue
        
             
        
        
        
Make/produce and secrete hormones
        
             
        
        
        
Hey there,
To be exact, <span>1,048,576 Kilobytes
Hope this helps :))</span><span>
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