<span>This can be used as an overall population guideline. The references can be used to make sure that everyone knows what the basic levels of nutrition should be for each group, and how each person or group can achieve those levels on a daily basis.</span>
Well in order for chemical digestion to occur period, a enzyme is needed.
In the mouth this enzyme is amylase
You would most likely find fish, such as rainbow trout, in the limnetic zone.
Water helps your body maintain your body functions and regulates the temperature of your body and you lose water by doing activities by running, sweating and digesting its important to high drat all the time. Its important and re hydrate and eat food that have water in them like apples is an example.
I believe it will be 200,000 years