Fun Riddles

Question: How much dirt is in a hole that has a radius of 33.2 meters and a height of 78.2 meters?

Question: Why did the chicken cross the road?

Question: There was a man who was born before his father, killed his mother, and married his sister. Yet there was nothing wrong with what he had done.

Why?

Question: Surrounded by green, surrounding white.
Inside is red, holding many black babies.

What is it?

Question: To be here is to be close to those dear,
I see no light but feel warmth from within,
it's lonely here but soon I'll be free.

What am I?