Answer:d 
Explanation:I’m not 100% sure how to explain it but I’m almost for sure it’s d.
 
        
                    
             
        
        
        
Answer:
 option A 
I think so good night sweet dreams
 
        
                    
             
        
        
        
57.0 is it rounded to three sig figs. You count three spaces then round from there, which would be the zero and you would round down because the four is there.
        
             
        
        
        
Hey there!
<span>
Electrochemistry might be considered a subspecialty of which of the following areas of chemistry?
Answer: </span>
<span>D. Organic chemistry
Hope this helps
Have a great day (:
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