Answer:
small land in water.
I am easy to waste and unstoppable. What am I?
I have cities with no people forests with no trees and oceans with no water.
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
A young man wants to have me but when he has me he no longer wants me. Blade in hand he attacks me and does his best to remove me. Yet he knows that it is all in vain.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?