Answer:
I have a small hill with seven holes.
I keep things green and keep kids happy during summer time.
What building has the most stories?
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
What comes once in a minute twice in a moment but never in a thousand years?
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.