Answer:
What goes up but never comes down?
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
Before Mt. Everest was discovered what was the highest mountain in the world?
I have numbers on my face but can't find 13 any place. What am I?
What force and strength cannot get through I with my unique teeth can do.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.