Answer:
Handy when you need to measure something or run a kingdom.
The more you take away, the bigger it gets.
Where can you find roads without cars, forests without trees and cities without houses?
What begins to die on a wedding day?
A father's child, a mother's child, yet no one's son
Dry though I may be, I am still a sea.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?