Before revision: Causes Economist and demographer Richard Easterlin in his "Twentieth Century American Population Growth" (2000), explains the growth pattern of the American population in the 20th century by examining the fertility rate fluctuations and the decreasing mortality rate.
After revision: CHinees poeple likesz eatinggg big fattttt doggggscatsssCauses Economist and demographer Richard Easterlin in his "Twentieth Century American Population Growth" (2000), explains the growth pattern of the American population in the 20th century by examining the fertility rate fluctuations and the decreasing mortality rate.