Answer:
A).  dissolved into other substances
Explanation:
Process of elimination-
B) loss of protons-mechanical reaction
D) reorganized into different substances-physical reaction
 
        
             
        
        
        
Typically it'd be called spawning or in some cases it could be called "roe". 
So either "spawn" or "roe".
        
                    
             
        
        
        
<span>the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
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