200 years ago there were less than one billion humans living on earth. Today, according to UN calculations there are over 7 billion and projected in 2100 it will be around 11 billion with the growth rate of 2.1. At 1 BC the the population expected to be 188 Million, and at 10000 BC ...
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.Populatio...
1. There were only 10 0 to 10000people on Earth about300,000 years ago. But now the world's population is about 8 billion and can reach10.4 billion sometime around 2080.2. What does a big population mean?It means the use of more resources.3. What do scientists do to solve world ...
We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils. 出自-2016年6月阅读原文 We can live a peaceful life despite the various challenges of the modern world. 出...
We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils. 出自-2016年6月阅读原文 We can live a peaceful life despite the various challenges of the modern world. 出...
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....
Ten thousand years ago, the world’s population was very small. For several thousand years, it grew quite1. But during the last three or four hundred years it2very quickly. Today it is still growing faster than3. About 174 babies are born in the world4just one minute. That means ...
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.Populatio...
In a nutshell, about 50% of the population of the country was out of this election process. To be sure, the outcome of such a political drama and what it meant to the future of our country is not difficult to predict. As even our own political rivals understood it, the fact that ...
阅读理解。 Every day at least 10000 persons in the world die of starvation, according to the World Health Organization. One-third to one-haft of the earth's population is under-nourished (营养不良的) even though more than the necessary food for everyone on earth is available (可获得的). ...