Answer:
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
I am an odd number. Take away a letter and I become even. What number am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
Iron roof, glass walls, I burn and burn but never fall. What am I?
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?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.