1、 Why do so many scientists warn to cut carbon dioxide emissions according to the passage? A. To prevent continuous global warming. B. To avoid acid damage to the marine ecosystems. C. To keep acid rain from wreaking havoc on the world. D. To keep balance of various gases in the ...
(翻转) the trend s toreduce the amount of carbon dioxide in the atmosphere, itsaid.The chemitry is so fundamental and changes so rapidlythat impacts on organisms are unavoidable," said James Orr,a researcher at the Marine Environment Laboratories inMonaco. “The quetions are now how bad it ...
J. Schaefer , Carbon dioxide emissions to the atmosphere by volcanoes , Geochim. Cosmochim. Acta , 56 , 1765 – 1770 , 1992 .Williams, S. N., S. J. Schaefer, M. L. Calvache, and D. Lopez, Global carbon dioxide emission to the atmosphere by volcanoes, Geochim. Cosmochim. Acta , ...
The amount of carbon dioxide in the atmosphere has reached a new high in recent years. Which activity can contribute the least to this? A. Driving electric cars B. Burning forests C. Factory emissions D. Using gas - powered stoves 相关知识点: ...
【题目】Carbon dioxide emissions fell last year to their lowest point since 1994, according to the Department ofEnergy. But the report said those reductions were not enough, on their own, to escape the most disastrousconsequences of climate change.They were being ofset(抵消) by a sharp rise ...
【题目】阅读理解Carbon dioxide (CO2) emissions() must fall sharply to avoid acid damage to the world's marineWI eco-systems, warn more than 150 scientists.Acidification () of seawater caused by carbon dioxide is causing disaster on coral ecosystems and will have a huge knock-on impact onPI...
The increase in carbon dioxide in the atmosphere is closely related to global warming. Which of the following activities can effectively reduce carbon dioxide emissions? A. Using incandescent light bulbs B. Driving gasoline - powered cars frequently C. Using public transportation more often D. ...
adjustment time time for carbon dioxide in the atmosphere. The system is analyzed with a two-box first-order model. Using this model, we reach three important conclusions: (1) The adjustment time is never larger than the residence time and can, thus, not be longer than about 5 years. (...
Carbon dioxide (CO 2 ) is considered a trace gas in the atmosphere because it is much less abundant than oxygen or nitrogen. However, this trace gas plays a vital role in sustaining life on Earth and in controlling the Earth's climate by trapping heat in the atmosphere. ...
production of cement(水泥) sent more than nine billion tons of carbon into the atmosphere, the new analysis found, with 57 percent of that coming from developingcountries.On the surface, the figures of recent years suggest that wealthy countries have made headway in stabilizing their emissions. ...