The answer to your question is B.
        
                    
             
        
        
        
Answer:
An iron rod used for beating down the earthy substance in tamping for blasting.
 
        
             
        
        
        
The offspring could receive either D or d.
 
        
             
        
        
        
Answer:
answer in explanation
Explanation:
found in a coiled loop floating in the cytoplasm in a region called the nucleoid 
 
        
             
        
        
        
If an animal cell is surrounded by fresh water, the water will move within the cell causing the cell to become turgid and eventually will burst. 
Therefore the most suitable answer is option D.