The answer is D)carbone dioxide,water and energy
        
             
        
        
        
Again :)))))
Calcium oxide:
II    II 
Ca O   ---> CaO 
water ---> H₂O
CaO + H₂O -----> Ca(OH)₂ 
        
             
        
        
        
Hello, to answer your question properly it is 
C. <span>The waves emitted by the two sources have constant phase difference
                  Signed by, Virtuoso Sargedog
             
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The answer is B. The reason is because in an RNA strand, A turns into U.
        
             
        
        
        
Look up the definition and then revise it