Answer:
I am needed for most animals and hardcover books. What am I?
What can be drawn but never taken?
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
Drop me and the world will shatter. You can always find me where you empty your bladder. What am I?
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
What’s a carpet’s favorite sport?
What am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic