Answer:
The little pink nub that helps rectify mistakes.
What goes through a door but never goes in and never comes out?
It's been around for millions of years, but it's no more than a month old. What is it?
I'm the son of water but when I return to water I die. Who am I?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
It's what light turns into in the night
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?