<u>Answer:</u>
Option (C) 
There is no change in mass during a chemical reaction; 
<u>Explanation:</u>
The law of mass conservation can better explain this phenomenon. According to the rule, "Energy can not be either produced, nor can it be lost."
In simpler terms, the total masses of all substance involved in a chemical reaction are same. Furthermore, the total atoms on either sides, i.e., reactant side and product side are the b.
 
        
             
        
        
        
The Moon is the only natural satellite of the Earth. With an equatorial diameter of 3476 km, it is the fifth largest satellite in the solar system, while in terms of proportional size with respect to its planet it is the largest satellite: a quarter of the diameter of the Earth and 1/81 of its mass. I hope I have helped you and if you do not forgive
        
                    
             
        
        
        
The correct answer is chromatin. Chromatin<span> describes macromolecules in cells composed on </span>DNA<span>, </span>protein <span>and </span>RNA. Chromatin has various functions in cells. The main functions are<span> to package DNA into a compact shape,  to allow mitosis by reinforcing the DNA macromolecule,</span><span> to prevent </span>DNA damage<span>, and to control </span>gene expression<span> and DNA replication. </span>