What is both possible and impossible at the same time?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

What has many teeth, but cannot bite?

Can you decipher the two rows to find the hidden word?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?