Hydrogen and oxygen cells combine explosively combine.-answers.com
  
I found this online. on answers.com so I do not own credit.
        
                    
             
        
        
        
Explanation:
<u>Reducing sugars are simple sugars with the ability to reduce copper (II) ions to copper (I). All monosaccharides (fructose, glucose, galactose) are reducing sugars as are some disaccharides, such as lactose and maltose. Simple sugars are all carbohydrates, and are used by the body as a source of energy.</u>

 
        
             
        
        
        
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