1、Why? Expert analysis, the dislocation between supply and demand is one of the main reasons.为什么？专家分析，位错供应和需求之间是主要原因之一。2、Social isolation is one of the main reasons for this.与社会脱离是产生这一现象的一大原因。3、Negative externalities are one of the main...
根据第一段第一句A rising population is one of the main reasons that there is global warming.人口的增长是地球变暖的主要理由之一;和文章最后一句There’s no doubt that the earth is becoming warmer because of human activity rather than a random but natural phenomenon.毫无疑问地球的变暖是因为人类的...
Many wild animals and plants threatened with extinction for many reasons but the most important are: deforestation, environmental pollution. With urban development, pesticide use and pollution, wildlife areas of life become more and more narrow. Many wild animals are facing food crisis. To obtain wi...
Biodiversity is necessary for all living things,including humans.However,it is dangerous because of human activities such as deforestation(毁林),pollution,and climate change. One of the main reasons why biodiversity is important is that it provides us with many necessary ecosystem servi...
and then you will have the fun of thinking what this finding will lead to and deciding what will be the next experiment. One of the best things about scientific research is that you are always doing something different and it is never boring. There are good times when things go well and...
” But I know of one way not to win one. There are some people whose main reason for doing science is to win prizes and they are always thinking about how to do it. Such people don’t succeed. To do good science you must be interested in it and enjoy doing experiments and thinking...
Deforestation is also accelerating climate breakdown, which in turn may boost the spread of disease by allowing disease carriers like mosquitoes to extend their geographic ranges and infect new populations of humans. This shows that we must take care of nature to take care of ourselves. By protect...
01. Why Save Energy? 02. How To Conserve Energy 03. Energy Conservation and Renewable Energy 04. Conclusion: Save Energy and Create Your Own If you’re looking for a reason to save energy, money is usually a good one. When energy conservation can directly save you money on your monthly ...
5、 main causes of this were over-cultivation(3.3%) and , to lesser extent,over-grazing(1.5%).Overall, it is clear that Europe suffered more from farmland degradation than the other regions, and the main causes there were deforestation and over-cultivation. 剑8 1-2Some people think that ...
the percentage of degraded firming land due deforestation was the highest in Europe whereas the proportion of firming land degradation due to the same reason was the lowest in North America with 9.8% and 0.2% successively. In North America the proportion of firming land degradation due to over-...