Answer:
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
When the son of the water returns to the parent, it dies. What is it?
who do you think you know but sometimes you don't
A word I know, six letters it contains. Subtract just one and twelve remains.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.