Answer:
David's father has three sons: Snap Crackle and ?
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. What am I?
The more you take, the more you leave behind. What are they?
The more you have of it the less you see. What is it?
What word becomes shorter when you add two letters to it?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.