The answer is weathering.
        
                    
             
        
        
        
Answer: 
Hello your question is poorly written, the options and the question is all mixed up but i was able to pick out the correct answer.
answer <em>: A thin liquid layer that is chemically bonded to the interior of a capillary column that comes in contact with an inert carrier gas or mobile phase</em>
Explanation:
The stationary phase in gas Chromatography is best described as ( from the options listed in your question ) :
<em>A thin liquid layer that is chemically bonded to the interior of a capillary column that comes in contact with an inert carrier gas or mobile phase</em>
Gas chromatography is an analytical process  used to separate the chemical components ( usually gases )  found in a mixture sample  
 
        
             
        
        
        
Answer:
C
Explanation:
If you have more than one variable then you wont know which variable caused the change. Hope this helped, if it did give it a thanks or whatever.