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Any challenge you face doesn't come from anything in life, no matter how hard it is. The challenge in life is life itself.
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Answer:
In its stable molecular form, oxygen exists as two atoms and is written O2. to distinguish it from an atom of oxygen O, or ozone, a molecule of three oxygen atoms, O3. Even though each of these is all oxygen, combining atoms of the same element may give very different properties to the molecule.
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Answer:
cute:) did you come up with that?
 
        
                    
             
        
        
        
the way u would do this is as simple as "in and out"
 
        
                    
             
        
        
        
An interjection expresses an a sudden remark. "Ouch" is the interjection.