The organism that grows on the body of another organism and derives nutrients from it is known as a parasite. The organism that obtains nutrients from the dead or decaying organic matter is called saprotroph.
 
        
             
        
        
        
Answer:
It should be answer C.
Explanation:
The main reason to create SI units was to be able to communicate everyone's results internationally, and because we all you different units, the SI units fixed that.
Hope this helped.
 
        
                    
             
        
        
        
Answer:
pointing up labeled 3 N, an arrow pointing right labeled 2 N, an arrow pointing 
Explanation: