Well a hypothesis is guess about an experiment and how it works or is preformed. If your supporting one then you agree with how its done and how it works and you got good results. If you fail a hypothesis that means you most likely tried and didn't succeed or didn't get the results you wanted. Sorry if this is confusing the question kinda confused me. 
        
             
        
        
        
The atoms and molecules produced by the reaction are called products. This causes the atoms to be rearranged into new substances.
The answer:
 An atom's ability to undergo chemical reactions is determined by its outermost electrons.
 
        
                    
             
        
        
        
To the heart: pulmonary vein 
Away from heart: pulmonary artery
        
             
        
        
        
For nine month because it have to be strong
        
                    
             
        
        
        
Uranium is not a renewable resource.
Hope this Helps!!!