Answer:
A king wears one on his head.
Which weighs more? A pound of iron or a pound of feathers?
It covers you, you lose it every day and you'd die without it.
What time is spelled the same forwards and backwards?
What hatches without food?
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.