As a matter of fact the number of U.S. citizens 85 years old and older is growing six times as fast as the rest of the population. It is also largely due to the old-growing of the "baby boomers " the generation born after World War II. In 1957 over 4.3 million babies were born...
The independent domestication of pigs in western Eurasia and East Asia1,2,3, roughly 10,000 years ago, led to two phenotypically and genetically distinct populations in Europe and China. Subsequent artificial and natural selection has resulted in a wide variety of breeds diverse in appearance, loc...
Thus to project the population of ten to fourteen year olds (5P10) in five years (t − 5), we take the difference between the population aged 10–14 in time t (5P10,t) and the population aged 5–9 five-years prior in time t-5 (5P5,t-5), and add this difference to the po...
male: 29.4 years female: 30.9 years total: 30.1 years Population Growth Rate Population in the world is currently at 7.5 billion as of 2017 and growing at a rate of around 1.11% per year. Population is expected to keep growing and estimates at 8.4 billion by 2030 and 9.6 billion by mid...
It is calculated that by the year 2230,the entire population of the USA will be dangerously overweight.Nine years ago only one in eight was obese(肥胖).Nowadays in five Americans one is obese and the number continues to rise.One of the problems is the big amounts of what they eat.The ...
根据第一段“It is calculated that by the year 2230, the entire population of the USA will be dangerously overweight. Nine years ago only one in eight was obese (肥胖). Nowadays in five Americans, one is obese and the number continues to rise.”(据计算,到2230年,整个美国人口将处于危险的...
The "graying" of theUnited Statesis mainly due to the fact that people in theU. S.living longer. As a matter of fact, the number ofU.S.citizens 85 years old and older is growing six times as fast as the rest of the population. It is also largely due to the old-growing of the...
正:How large is the population of Australia? (5)说明人口或人数的“多”或“少”时,不用many/few/much/little修饰,而用large, big或small, thin修饰。如: Dalian has a large population. 大连人口很多。Which country has the smallest population Canada, the USA or Australia? 加拿大、美国、澳大利亚哪个...
Thus, the idea of secular stagnation was introduced (Hansen 1939). A year earlier Keynes (1937) was arguing for population stability when he was saying that, with no major wars and no important increases in population, the economic problem might be solved within a hundred years. The first ...
Here, we address how severe the change in extreme precipitation compares against the current national standard for precipitation climatology (NOAA Atlas 14) and how much of the population is affected by the underestimation of this risk in the contiguous United States (CONUS). As a result, extreme...