Last sentence 
explain: sentence 1 didn't close off the speech marks sentence 2 speech marks weren't necessary as it was indirect speech and sentence 3 did not put a comma at the end of the speech marks.
hope that helps!
        
                    
             
        
        
        
Answer:
Robots are changing the world by helping humans do things better (with greater efficiency) and doing things that were not possible before. Robots facilitate disaster response, augment physical abilities, serve in areas where interaction with people is needed, and enable exploration beyond the boundaries of Earth
Explanation:
 
        
                    
             
        
        
        
B. Then the rescue efforts of the save the dolphins group have a great impact
        
             
        
        
        
Uncle Tim the U & the T would be capitalized.