Answer:
I am the reaction after enjoying soda.
I am a box who holds keys but not locks. With the right combination I may unlock your soul
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
I am a word. I become longer when the third letter is removed. What am I?
I save lives on the ground and in the air. What am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?