Water is the giver and sustainer of life itself. Fire is a good way of keeping forests growing, yes, but without water, we'd be dead. DEAD DEAD DEAD DEAD DEAD DEAD. Without fire, we wouldn't have... Meat? And heat I guess. And Death. By Fire. WATER puts out FIRE! Fire brings death! Yay!
Water is good because it can hydrate you and keep you energized. Fire in the other hand is destructive in most ways. Water is better than fire because water can put out fire but fire can't put out water. Water can also help you clean and if you are not clean imagine how many stinky people we would have in the world.