Answer:
Where on earth do the ways always blow from the south?
It's tough as nails, Or soft as snow. People use it for their rink, Some just put in their drink.
When is 1500 plus 20 and 1600 minus 40 the same thing?
What cleans as it gets dirty only to get clean the more you use it?
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
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.