Answer:
I have a small hill with seven holes. What am I?
There's not a kingdom on the earth I haven't traveled over and over and though I know not whence my birth yet when I come you know my roar. I through the town do take my flight and through the fields and meadows green and whether it be day or night I neither am nor can be seen.
I have a strong affection for belly buttons.
I come without being fetched at night hides away as soon as daylight strikes. Although I may look small I am much mightier than what you can imagine.
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.