Answer:
I am bought by the yard but worn by the foot. What am I?
I am a rock group with four members all of whom died in plane crashes. Who am I?
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I am an odd number that become even when beheaded.
I go up and never come down no matter how hard you wish. As I get higher more wrinkles crawl onto your face.
Give it food and it will live, give it water and it will die.