Answer:
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
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.
What is it that given one, you’ll have either two or none?
He has married many women but has never married.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?