Answer:
I can fall off a building and live, but in water I will die. What am I?
What two things can you never eat for breakfast?
I am there when you sit, but gone when you stand. What am I?
What comes once in a minute twice in a moment but never in a thousand years?
I break down buildings, I crumble mountains but you can't see me. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?