What Am I Riddles

Question: I have no heart Yet I can live Even if I have fallen Fires are my enemy You are my enemy

Question: The more i am present, the less you can see me. Who am i?

Question: I sizzle like bacon, I'm made with an egg.
I have plenty of backbone, but not a good leg.
I peel layers like an onion, but still remain whole.
I can be long like a flagpole, yet I fit in a hole.

What am I?

Question: My first is third, like the sound of the sea. My second is the center of you, not me. My third is the end of him, not you. My fourth starts a picture, not a view. My fifth is in bean, though not in been, My sixth and seventh start seldom seen. Sunrise and sunset, warmth and cold, Put these together and a sign will unfold.

Question: What speaks with its ear, listens with its mouth, and has 10 digits but no hands?