Answer:
Without what would everyone lose their head?
We traveled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. How can that be possible?
What is part of you and all around you but if it entangles you, it will kill you?
What goes up and down the stairs without moving?
It is something you make after you've weighed your options.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?