Answer:
carbohydrates 
Explanation:
I'm not rlly sure but I think its carbohydrates 
 
        
             
        
        
        
Answer:
Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.
Explanation:
(I just copy and paste from google)
 
        
                    
             
        
        
        
ANSWER:C) farming and hiking
        
                    
             
        
        
        
It means they may or may not have the same function but have similar structure depicting that the organisms may have had a common ancestor.
        
             
        
        
        
Largest energy found in the lowermost portion of the trophic level near "Producers" 'cause as it passes through the higher trophic levels, it get decreased by 10% at each step, according to Lindmann's 10% law!!
Hope this helps!!