The answer is B) closed because it flows through things. For example: Light switches on the inside. I hope this helps.
 
        
             
        
        
        
Answer:
its a picture of green girl
Explanation:
 
        
                    
             
        
        
        
The answer to this question is Expert testimony
Expert testimony refers to the testimony that is given by qualified individuals who dedicated their life within a specific field.
Other examples of an expert testimony would be quoting a world renowned programmer on the topic of online hacking
        
             
        
        
        
The answer should be 3.142857 (and everything after the . is repeated). In order to get the answer, you have to get every number into inches (7 feet= 84 inches) and then you add 84+9+6=99. then divide 99 by 12 (8.25). Lastly, divide 8.25 by 2.625