Answer:
Better touch me before you proceed to second.
I'm tall when I'm young and short when I'm old. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
I help boats park
The more you look at me The less you see.
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.