Answer:
What gets bigger the more you take away?
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down but should not be forgotten.
I am so delicate that even mentioning me breaks me. What am I?
I am useless when together but useful when I am broken apart. What am I?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
Why is the letter B always cool?