This article throws light upon the top eight theories of population. Some of the theories are: 1. Thomas Doubleday’s Diet Theory 2. Jouse De Castro’s Protein Consumption Theory 3. Michael Thomas Sadler’s Destiny Theory 4. Herbert Spencer’s Biological Theory 5. Corrado Ginnis’s Biological Population Theory and Others. 1. Thomas Doubleday’s Diet Theory: Thomas Doubleday, a […]
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