Lavoisier would have taken mercury and heated it up to 350 degrees centigrade in air and then found that a new compound was formed a red or yellow mineral which would be mercury oxide so the experimental observation would be the change in color of the mercury and the formation of a mineral with different properties from pure mercury.
        
             
        
        
        
C <span>Antibiotics could cure chicken pox sooner than 7 days, since it is a virus</span>
        
                    
             
        
        
        
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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Stress can cause a virus to switch from the lysogenic cycle to the lytic cycle.
        
             
        
        
        
Answer: the Pistil (also called the Carpel). This is made up of the Stigma, the Style and the Ovary. The ovary contains the ovule (or ovules) where fertilization occurs. The Stigma is where the pollen lands.
Explanation: