write an essay on the life of a early man
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Value is categorized in terms of the nature of the contribution made to human welfare (defined broadly): Economic value of water: Value to water users. Value of water in industrial and agricultural use and willingness to pay for its domestic use.
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Early humans were quite different from modern humans. Modern humans have many technologies and advances that we take for granted. In my lifetime (1982 - present) I have seen the five and a half inch floppy yield to the dvd, cloning of sheep and other advances in the fields of math, science, and engineering. Humans and Pre-Humans have always been developing, either intentionally or unintentionally, technologies that were either necessary for the continuation of life, or for the improved quality of life, thus changing the environment. Early humans lived by hunting and gathering, affecting their environment only minimally. There was a small human population that supported itself by hunting mostly.
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