Answer:
Explanation:
Which two body systems 4 to expel the waste product carbon dioxide ?            - Other substances that produce waste include carbohydrates, which produce carbon dioxide and water as waste products. It is the job of the excretory system to rid the body of these wastes. The main organs responsible for many of the excretory functions within humans are the kidneys.
 
        
             
        
        
        
Answer: B. Mechanical energy to electrical energy
Explanation:
 
        
             
        
        
        
The chemical process by which complex molecules of protein are made from simple molecules is called Respiration 
        
             
        
        
        
The best and most correct answer among the choices provided by the question is <span>C. Using more than one assessment provides a more complete picture of an individual's fitness level.</span>
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Hope my answer would be a great help for you.  </span>  
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Answer:
C
Explanation:
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