Answer:
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
I am a rock group with four members all of whom died in plane crashes. Who am I?
I am so delicate that even mentioning me breaks me. What am I?
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
I have numbers on my face but can't find 13 any place. What am I?
I flow from the Homerβs mouth when he sees doughnuts.