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.
First, it must have a defined territory, Second, it must have an effective government. Third, it must have a permanent population and lastly, it must be capable of interacting with other states. All states can be a nation but not all nations are states. It is also possible for a state to have multiple nations in it. For example, Philippines is a nation and a state while Taiwan is not considered as a state, because China still claims Taiwan as part of its motherland. Thus, Taiwan is not capable of interacting with other states, just like not being completely a member of UN.