Answer:
population , regions , river 
 
        
                    
             
        
        
        
Answer:
 It is located mostly in the southern part of Louisiana.
The blufflands have been built up by loess over time.
The prairies include open areas covered with tall grass.
E The blufflands are an area that formed where a river once flowed.
Explanation:
 
        
             
        
        
        
Answer:
Similarity of the drug molecule to other molecules normally transported lung cells.
Explanation:
Similiarity of the drug molecules ot the lung cells would ensure that the drug affects only the lung cells and does not interfere with other tissues. This can also ensure proper absorption and prevent any adverse effects of the drug on other cells, tissues.