Answer:
I help boats park
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I move very slowly at an imperceptible rate although I take my time I am never late. I accompany life and survive past demise I am viewed with esteem in many women's eyes. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
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.