Answer:
What can go up a chimney down but canβt go down a chimney up?
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 turn everything around, but I cannot move. When you see me, you see you! What am I?
I can be found in water but never wet
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.