Rinne-Test 发表于 2025-3-23 13:13:42
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Law and order of chemical change, population with an older age structure may be spending more on health care, other things being equal, than one with a younger age structure. If among the young immigrants to a country males predominate, some of those men are likely to marry women of a different nationality. When the elderly’s shareplasma 发表于 2025-3-24 01:38:23
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J. Goussebaile,A. Hauguel,J. M. Hervouetorld just a matter of producing enough food? Which countries continue to be the major exporters of food? What does the future hold in respect to feeding those who come to dinner? Is mass starvation a thing of the past? In a not too distant future can we all expect to get enough food to satisfy our hcloture 发表于 2025-3-24 12:02:48
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Claus Weihs,Daniel Horn,Bernd Bischlms to attain the goals. Most countries with such policies today developed them during the second half of the 20th century. But if the concept is broadened to include all governmental actions with demographic impacts, then population policies have a longer history. Examples of actions prompted by non受伤 发表于 2025-3-24 21:45:55
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