World population trends and policies: 1981 monitoring report. Vol. 1. Population trends. The trends in population growth fertility mortality age structure and urbanization are presented for both developed and developing countries. Decelerating... nbsp; United Nations. Department of International Economic ...
UNAIDS estimates that about 2.9 million adults and children died of AIDS in 2003 and that the number of children orphaned by the disease rose from 11.5 million in 2001 to 15.0 million in 2003. (excerpt) 展开 关键词: Population Size Birth Rate Mortality Natural Increase Infant Mortality Child ...
A. Food waste is serious in the world. B. The population is growing fast in the world. C. There are more hungry people in Latin America. D. Half of all food produced in the world is wasted. (4) What should you do to avoid wasting food? ___ A. ...
Population PolicyFundsMortalitySocioeconomic FactorsAssesses world population status and prospects in 1981 through a consideration of population projections historical patterns of population growth the quickening pace of declin...
For some years now it has been customary to talk of the population explosion. However, as we saw in chapter 5, in the developed countries birth-rates have declined and, in general terms, the...doi:10.1007/978-1-349-16545-2_8H. RobinsonMacmillan Education UK...
Canadian studies in populationChappell, N.L. 2011. The age of aging: How demographics are changing the global economy and our world. New York: John ... NL Chappell - 《Canadian Studies in Population》 被引量: 53发表: 2011年 International Encyclopedia of Population (Book) This two-volume en...
Population and Technological Change: A Study of Long-Term Trends. Chicago: University of Chicago Press, 1981, xi + 255 pp., $17.50 It is generally agreed that changes in technology had an important influence on population size but opinions are divided concerning the type of technologic... E ...
the population has grown by about 17.5 million. In 1983, the government published a Statistical Yearbook that indicated that the population from 1981 to 1982 was about 15,960,000. Based on the total land area and the total population of the country, the population density of Afghanistan is ...
Since the 20th century,the global population of crested ibis has decreased dramatically and the species was once considered extinct.进入20世纪后，全球朱鹮种群数量急剧减少，一度被认为已经灭绝。Until, in May 1981,seven wild crested ibis were found in Yangxian County, Hanzhong City, Shaanxi Province,...
(2024 · 湖南省三湘创新发展联合体高三月考)From the world's last seven to a global population of more than 5, 000, Chin a spent nearly 40 years bringing back crested ibises (朱鹮) from the edge of extinction.With its typical red crest and face, as well as a long black mouth and snow...