Answer:
D
Explanation:
because molecule A is only shown on the outside and is not exposed to the acidity on the inside of the cells
 
        
             
        
        
        
Answer: A. It conducts heat well.
Explanation:
Copper is a good conductor of heat. This means that if you heat one end of a piece of copper, the other end will quickly reach the same temperature.
 
        
             
        
        
        
A pure substance made up of only one type of atom is an element