Answer:
I am drawn by everyone without pen or pencil
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
A trail, a union, together tied. Come across me and you will find you cannot change the course I'm on. Without me you cannot travel on. What am I?
I sit high glowing and watch the world go by. Without me everything would seem dull and dangerous. What am I?
I am the kind of nut that is empty at the center and has no shell.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.