Why are people Christian as opposed to Muslim, Hindu or a Scientologist? Why do you worship your god instead of Zeus or the sun god the Aztecs worshipped?

If every copy of the bible and all knowledge of Christianity disappeared it wouldn't spawn back into existence magically.

There have been hundreds or thousands of religions, but your one is correct?

But to answer some of your questions.

1. Radiometric dating, the Earth is 4.5 billion years old roughly, it's no longer up for debate.

4. Can you prove to me there isn't the existence of a flying spaghetti monster in the sky? Exactly. You're making the claim Adam and Eve spawned into existence, the burden of proof is on you.

If Jesus came along today he'd be persecuted by the media and Christians for being a socialist.