That is part of a cow when it has ate something with cocoa.
        
             
        
        
        
Answer:
The air tends to move from high pressure to low pressure 
 
        
             
        
        
        
Answer:
The correct option is A)  It is not written by an authority
Explanation:
In the English language, credibility can be described as the quality of an object to be reliable or trusted. 
A piece of written work which does not mention the name of the writer may be considered to be not reliable and trustworthy. Hence, the correct option is A.
Other options, like option D, is not correct because a peer- reviewed journal carries authentic information as the work has been rechecked by different people who have expertise on the subject.