Answer:
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
What is it that given one, you'll have either two or none?
What never asks questions but receives a lot of answers?
What is the ending of all that begins?
There's one in every deck of cards and in a famous movie
What never gets any wetter no matter how hard it rains?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?