Answer:
I can fall off a building and live, but in water I will die. What am I?
The more there is the less you see.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
What loses its head in the morning but gets it back at night?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?