Answer:
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.
The more you have of me, the less you see. Who am I?
What time is spelled the same forwards and backwards?
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
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.