Answer:
What type of dress can never be worn?
I have roots nobody sees. I am taller than trees. Up, up I go but I never grow. What am I?
What gets sharper the more you use it?
I am a precious stone as clear as diamond. Seek me out while the sun's near the horizon. Though you can walk on water with my power try to keep me and I'll vanish in an hour.
I am the reaction after enjoying soda.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.