Answer:
If I drink, I die. If I eat, I am fine. What am I?
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
I make things short but I am pretty long myself
I am used when you jump off a bridge for fun.
I am a seed with three letters in my name. Remove the last two and I still sound the same. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?