Answer:
What instrument can make any sound and be heart, but not touched or seen?
What has three feet but no arms or legs?
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.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
If you throw a bottle of wine, a carton of juice and a can of soda at someone’s head, which one will hurt the least?
What is yours but only used by others?