What is true is that the world's population doesn't stay the same.It has been increasing at a very fast rate (比例).That's in part because in each generation (代) these are more people who then have children than in the last generation. Five hundred years ago,the population of the...
(PROSE: The Final Sanction) The invasion killed about two-thirds of Earth's population. (AUDIO: An Earthly Child) Thirty years after the invasion, the Earth Council existed as a fledgling government, but anti-alien organisations like Earth United began to attract many youths to their cause. ...
aIt has been estimated that a thousand years ago there were less than 400 million people on earth. However, in the recent thousand years human population has increased nearly 20 times. Nowadays the world population has reached more than 7000 million. The population.[translate]...
aIt has been estimated that a thousand years ago there were less than 400 million people on earth.Today ,however,the world's population has amounted to more than 10000 million.What a big proplem! If it keeps growing at a surprising speed,there will be many proplems of the earth....
population, according to NOAA. 41. The Pacific Ocean is the biggest basin (Image credit: NOAA) The Pacific Ocean is by far Earth's largest ocean basin, covering an area of about 63 million square miles (163 million square kilometers) and containing more than half of the free water on ...
根据第三段Latin America and the Caribbean have seen the steepest declines in average wildlife population size,with a 94% drop in 48 years.Africa had the second largest fall at 66%,followed by Asia and the Pacific with 55% and North America at 20%.Europe and Central Asia ...
Last year, we confirmed an internet meme claiming 99% of the world’s population gets sunlight at the same time on July 8. In fact, this happens on a whole range of dates—but only around a specific time of day. Published:Jul 4, 2023 ...
题目The inhabitants of the earth are divided not only by race,nation,religion or ideology,but also,in a sense,by their position in time.Examining the present population of the globe,we find a tiny group who still live,hunting and food-foraging(觅食),as men did millions of ...
aThe next rapid jump in population started perhaps 10,000 years ago, when men began to keep herds, plow and plant the earth. Once again when initial productivity gains had been absorbed, the rate of population growth abated.[translate]
aIt has been estimated that a thousand years ago there were less than 400 million people on earth. Today, however, the world's population has amounted to 5,000 million. What is worse, it keeps growing at a surprising speed. If this trend continues, the world's population will shoot up ...