Answer:
This is a plant named after a light source. What is it?
What has thousands of ribs and two backbones?
It could make arrows fly and kites soar. What is it?
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
What ends in E, starts with E and has a letter inside it?
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.