a human must eat and drink but you must tell the size and gender of a person and what they normally do as a job or at school.
30%
The reason could be because no one has the same DNA as another person. Your DNA holds all the info about the way you look, the way your body reacts to things...overall it stores all the info about...
depends on your body. but less than you prob need. watch survivorman on discovery channel.
How much food does the average human eat?