The Institute of Medicine lays out the approximate amount of water traditionally thought necessary for males and females of varying age groups and lifestyles in liters per day. The IOM recommends males 19 to over 70 years of age consume 3.7 liters of water daily. Women in the same age group only require 2.7 liters.
The characteristics of a nation-state are listed below: 1. Defined Territory. 2. Self-Rule (Sovereignty). 3. Some form of organized government. 4. Population of people sharing a national identity/customs.
The state is a political entity (the government, etc.); the nation is a cultural and/or ethnic entity. The term nation state means that the two are on the same territory, and this distinguishes the nation state from the other types of state, which existed before.