What Am I Riddles

Question: Round like a apple deep like a cup yet all the kings horses can’t pull it up.

Question: Old mother twitchet had one eye and a tail that she let fly and every time she went through a trap she left a bit of her tail in the trap.

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: I am pain, I am fear, I will take what you hold dear, Nations shudder when I'm near, Many die when I'm here. What am I?

Question: What is it you like to kill, but actually kills you?