Answer:proteins 
Explanation:
Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids.
 
        
             
        
        
        
C.  Solar energy's whole purpose it to reduce pollution in the air that fossil feuls do not. The answer cannot be A. B. or D. because 1. it is expensive 2. it can only be used during the daytime. It is a SOLAR panel. and 3. like is said earlier it is not free.
 
        
                    
             
        
        
        
The source of all energy in the pyramid in model one is the hawk
        
             
        
        
        
The answer is B Single Stranded