What are the xp's for in DragonVale?

Valuing our elders wisdom examples? What is the difference between Marxism and Gramscianism? Use rapturous in a sentence? What did Morrie mean when he said I believe in being fully present? Who are the splash brothers in the Warriors? What is the least common point of view in a work of fiction? What is the fare from the port authority to 125th St? Did Stephen crane grow up rich or poor? What happend at the end of The Crucible by Arthur Miller? Was George Milton a good friend to Lennie Small? What book does vida boheme give the stuttering clothing store owner in to wong foo thanks for everything? Can a 9 year old girl be a vampire? What is the pin that holds the record in place called? What does Bella's mom do for a living? In the Warrior Series Omen of the Stars will brambleclaw and squirrelflight get back together? What has the author Abraham Hirsch Rabinowitz written? What is a Melvin Jones Award? Who wrote the poem Smart? How are Catholic saints bodies dismembered for dispersal as relics - in particular St. Therese of Lisieux? What Definition of backward in sentiment?

What are the xp's for in DragonVale?