Answer:
A sphere has three, a circle has two, and a point has zero. What is it?
The distance from the top of your head to the floor standing up straight.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
A precious gift, yet it has no end, no beginning, and nothing in the middle.
Longer than a decade and shorter than a milennium
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.