What Am I Riddles

Question: What is as ancient as the earth but new every month?

Question: I have two rings. I move by request. If the mixture isn't right I just sit and rest.

What am I?

Question: I do good things, but one small push could be a horrid disaster! I am normally used for decoration now.

Question: You hear it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung. What is it?

Question: I am god to many people despite not being a spirit. I am what people kill over, lust over, and fight over. I am not God or the Devil, but a mere material that people need endlessly. What am I?