Answer:
it is a solid and it will sink the volume is 39.3 kilograms
Explanation:
 
        
             
        
        
        
Coal was the driving force behind 1800s culture
        
                    
             
        
        
        
DNA - <span>Deoxyribo Nucleic Acid
RNA - </span><span>Ribo Nucleic Acid
DNA - Sets up guidelines for an organism to follow, genetic information
RNA - Helps DNA set up guidelines, and transfer genetic information
DNA - Double Helix
RNA - Single Helix</span>
        
             
        
        
        
Answer: B) The experimental group tests to see if the presence of Balanus in some manner prevents Chthamalus from growing.
Explanation:
The most logical third step in Connell's experimental procedure, permitting him to either accept or reject his hypothesis of competitive exclusion is the experimental group tests to see if the presence of Balanus in some manner prevents Chthamalus from growing. 
Balanus is a species of crustacean, as know as sea acorns, whereas Chthamalus is a species of barnacles that can easily be found in the northern hemisphere's coasts.
 
        
             
        
        
        
The steps get More specific