Answer:
A sphere has three, a circle has two, and a point has zero. What is it?
Everybody's got one.
Before Mt. Everest was discovered as the highest mountain in the world, which mountain was the highest?
Man's most important invention.
I can be as thin as a picture frame but my insides have many things you can see.
I will disappear every time you say my name.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?