English Zero population growth Cited by user 107.4.80.245 on 31 Mar 2016 Zero population growth, sometimes abbreviated ZPG (also called the replacement level of fertility), is a condition of demographic balance where the number of people in a…
English Daniel Quinn Cited by user GreenCPA in Oregon on 13 Dec 2015 Daniel Quinn (born October 11, 1935) is an American writer (primarily, novelist and fabulist), cultural critic, and former publisher of educational texts, best known for…