Answer:
What dentists battle on a daily basis
I am someone you don't know. Who am i?
What goes up but never comes down?
Cold head and feetอพ Round as a ballอพ Always turning around itself.
A tiny bead, like fragile glass, strung along a cord of grass.
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?