Answer:
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.
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
The land was white the seed was black it'll take a good scholar to riddle me that. What is it?
What can you catch but not throw?
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
What language does a billboard speak?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?