Answer:
I am carried by mad animals.
I am a word. I become longer when the third letter is removed.
I am a box who holds keys but not locks. With the right combination I may unlock your soul
I rise and fall no matter what, only at finals rest do I not budge. What am I?
You heard me before and then again. Afterward I die, until you call me again. What am I?
I flow from the Homerβs mouth when he sees doughnuts.