Answer:
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
Five men were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
You get many of me, but never enough. After the last one, your life soon will snuff. You may have one of me but one day a year, When the last one is gone, your life disappears.
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
My teeth are sharp, my back is straight, to cut things up it is my fate.
I have a tail. I can fly. I'm covered in colorful feathers. I can whistle and I can talk