Answer:
C) the phrenic nerve that serves the diaphragm receives its fibers from here
Explanation:
 
        
             
        
        
        
<span>Proteins is the answer. There are sequence of functions of a protein depends on its shape which is determined by the protein's specific sequence of amino acids. . Proteins are very important because they are confusing in a variety of processes, such as cell signalling, immune response, and enzyme activity.</span>
        
             
        
        
        
To be able to compare the results to a sample without any of the independent variable added.
        
                    
             
        
        
        
Answer:
Scientists can study tree rings in ice to learn more about past climates.
Explanation:
i think this is right one.
 
        
                    
             
        
        
        
It contains the DNA and control the cell :)