Hopeless
Despairing 
Gloomy
        
                    
             
        
        
        
Answer:
it effects  the tone because the way she says "i was wrong but i didnt know that
Explanation:
 
        
             
        
        
        
Answer:
Adopting a shelter dog saves a life.
Explanation:
 
        
                    
             
        
        
        
Answer:
I believe it is C
Explanation:
because a thesis is most likely in the first paragraph of a essay and it tells what you're writing about so then you provide your evidence after that first paragraph.
let me know if this helps or the correct answer if i was wrong