Answer:
What two letters in the alphabet say goodbye?
Not a comb or a brush but makes the hair feel plush. What is it?
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 in seasons, seconds, centuries, and minutes, but not in decades, years, or days?
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
Why is the letter B always cool?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?