Answer:
Without this, H2O would just be 2O
It is where kings, queens, knights and bishops go to war together.
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
Which popular cheese is made backwards?
An utensil used for bread. Also a paper cutter. Used by a thug to take a life, Or wielded by the tamest wife, When used to spread the butter.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.