Answer:
I think it's "their" because it's talking about 2 girls not only one so it can't be her. 
Explanation:
 
        
             
        
        
        
Answer to #1: D, Glossary
Answer to #2: C, index
        
                    
             
        
        
        
In order to address the issue you are talking about you can do: 1 Volunteering and taking part helping others, which will be beneficial, 2. Determine which is the real problem from root and then determine how to act, 3. Look for aalliances with partners who can may be helping and 4. Try to give a good use to the resources you have in order to achieve that goal. 
        
                    
             
        
        
        
Answer:
b Before long, people started coming from miles around to marvel at the boy genius and his "electric wind."
 
        
             
        
        
        
Answer:
There are many reasons why such things can happen. In this case its most likely because of movement in the plot or conflict. I would need more context to answer more thoroughly though.
Explanation:
In addition, it is probably the second quote which describes their relationship better since it is used further in the story. 
If I had more plot context I could answer better, but hope this helps!