Answer:
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
I am always around you but often forgotten. I am pure and clean most of the time, but occasionally rotten. What am I?
Weight in my belly trees on my back nails in my ribs feet I do lack.
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?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic