Answer:
I am bought by the yard but worn by the foot
No legs have I to dance, no lungs have I to breathe. No life have I to live or die, and yet I do all three. What am I?
Weight in my belly trees on my back nails in my ribs feet I do lack.
What is at the end of a rainbow?
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.