What Am I Riddles

Question: Stars, scores and springs have them. Fingers, and backs have them. Keys, switches and cups have them. Leaders and mothers have them.

Question: Feathers, I am as light,
But quite heavy if squeezed tight.
I'm seen as clean and pure,
but often talked about with dirty terms.
What am I?

Question: I am as thin as paper, smaller than string. I blow in the wind. What am I?

Question: I have a neck but no head, 2 arms but no hands, I go with you to school, I go with you to work. What Am I?

Question: I am apart of everything, including you. Once I die, I will begin anew. As my life status becomes dire, I burn brighter and brighter. What am I?