MCQOPTIONS
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				| 1. | 
                                    As per a new study, 1 in 3 children worldwide are threatened by high levels of which chemical element in their blood? | 
                            
| A. | Iron | 
| B. | Sulphur | 
| C. | Lead | 
| D. | Chlorine | 
| Answer» D. Chlorine | |