Answer:
What's the capital of France?
Although it sounds like I work on a transportation device I actually work in a restaurant.
Package beneath a tree, inside a tasty treat. Keep it for a month, the taste is just as sweet. What am I?
In your fire you hear me scream creaking and whining yet I am dead before you lay me in your hearth.
I am expelled from you orally with a sound
What goes up the hill and down the hill, And spite of all, yet stand still?