The symptoms of long-term exposure to lower levels of toxic metals include Chronic illness effects.
The effects of exposure to heavy metals including lead, mercury, and arsenic include heavy metal poisoning (toxicity). The portions of your cells that heavy metals bind to hinder your organs from functioning properly. Heavy metal poisoning symptoms may be fatal and may result in permanent harm.
Different human organs are impacted by a number of acute and long-term harmful effects of heavy metals. 
Examples of the consequences caused by the toxic effects of heavy metals include gastrointestinal and kidney dysfunction, neurological system diseases, skin lesions, vascular damage, immune system malfunction, birth defects, and cancer.
To know more about heavy metal poisoning visit the link:
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IUD. Because it is inexpensive in comparison to consistently paying for the pill or condoms, and can last for a long time depending on the type, and has a 99% success rate.
        
             
        
        
        
1. Is C.
2. Is A.
3. Is E.
4. Is B.
5. Is D.
Let me know if this helps
        
                    
             
        
        
        
Never smoke at all. (Gradpoint) 
        
                    
             
        
        
        
Answer: I believe if I’m correct it’s 
E(Events)+ R(Responses)= O(Outcome)
Explanation: