None of these words are underlined. 
        
             
        
        
        
<span>One of the greatest changes in the United States was the most of the women served in the workplace in one way or another during the war, when the men were off fighting. </span>
        
             
        
        
        
Answer:
I would say the effects of high-fat and low-fat diets.
Explanation:
For [A] a report on how to reduce air pollution would be expository or persuasive.
For [B] a mystery story would be entertaining and engaging.
For [C] why Great Britain was the birthplace of the industrial revolution would be a persuasive exposition, factually based.
For [D] you would write and exposition comparison to describe the benefits and detriments of the two types of diets, thus a "compare-and-contrast" essay.
Cheers.
 
        
                    
             
        
        
        
Answer:
He speaks in a respectful tone
He states the agenda to focus the discussion
He calls on participants to the discussion on task
 
        
             
        
        
        
Answer:
The last
Explanation:
I'm in 7th and I've done this previously in 6th