The answer to that is James Watson and Francis Crick although if you search up on a search engine who found it Francis Crick will only show up.
        
             
        
        
        
Answer:
solution
Explanation:
A solution is a mixture of two or more substances. 
 
        
             
        
        
        
Answer: carbon and hydrogen 
Explanation:
 
        
             
        
        
        
Um I thought it was salt and water? I might be wrong though..
        
             
        
        
        
True now give me brainliest thx