Answer:
What breaks when you say its name?
I am black when you buy me red when you use me when I turn white you know itβs time to throw me away.
I am wood that is neither hard straight or crooked
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
I am the noise Santa's reindeers make
I flow from the Homerβs mouth when he sees doughnuts.