C) The word “its” should be changed to “it’s”, because “it’s” means it is
        
             
        
        
        
The answer are C and D.
  Whenever we <em>noticed a mistake</em> in an article published, but we are <em>not</em> completely <em>sure</em> what exactly is, we <em>should research</em> about the subject, in this case, by reading various <em>historical accounts</em>. After making sure we know what facts were left out, the <em>next step is to inform the edito</em>r of the publicaton about the case.
 
        
                    
             
        
        
        
One of the essential characteristics that must be taken into consideration when choosing a research topic is that it must not be too broad, and it should be narrowed as much as possible in order to be more specific to the subjects themselves. Therefore, the answer would be "<span>Record labels first rose to prominence in the mid-twentieth century and became the largest player in the music business; today, they have less importance in the industry."</span>
        
                    
             
        
        
        
Look up Porter v. McCollum
Hope this helps!
 
        
             
        
        
        
Spender is the archaeologist for the fourth expedition. He reveres Mars and quickly leaves the crew to explore the planet by himself. He learns to read Martian. Finally, he decides that he should kill off the crew in an effort to preserve Mars.