metals (left side of periodic table) become positive ions so calcium would be the answer 
 
        
             
        
        
        
Idk the answer, I'm sorry
        
             
        
        
        
Answer:
Your answer is C) Chelation therapy
Explanation:
Chelation therapy is a method for removing heavy metals, such as mercury or lead, from blood. It's one of the standard treatments for many types of metal poisoning. Hope this helped :)
 
        
                    
             
        
        
        
Answer:
hkafb I have to go to a meeting
 
        
             
        
        
        
Answer:
voluntary, you did it by will
Explanation: