I'd say the correct answer is B, because 'in the desert is part of the subject/noun 'canyon', and modifies it, that is, refers to it, describes it in more detail. 
        
             
        
        
        
The word prodigy applies to Waverly due to her being especially good at chess, or whatever it was she does. Her mother's point of view on prodigy is being the best she can be, and the term applies to her mother by not being quite as smart as her daughter.
        
             
        
        
        
1st blank : a title ; 2nd blank: label
        
             
        
        
        
Appalachian, because Roy has a perfect
Temperature threat allows many veggies to grow in:)