Scientists have been vastly underestimating the amount of methane (甲烷) humans are emitting into the atmosphere through fossil fuels, according to research. The analysis published in the journal Nature shows methane emissions from fossil fuels owing to human activity is around 25 percent to 40 perce...
The evolution of plants led to an increase in the amount of ___ in the atmosphere. A. carbon dioxide B. oxygen C. nitrogen D. methane 相关知识点: 试题来源: 解析 B。解析:植物的进化导致大气中氧气含量增加。植物通过光合作用释放氧气。选项A植物光合作用吸收二氧化碳而不是增加其含量。选项C植物...
This is when small amounts of gases in the atmosphere,like carbon dioxide,methane and water vapour,trap heat from the sun and therefore warm the earth. 当这里大气中有少量的气体,比如二氧化碳,甲烷。和水蒸气。以及从太阳那里得到的有限的热量,因此使地球温暖。 这里的trap是 使受限制 的意思。例如: ...
Landfills are places where a large amount of waste and other refuse(垃圾) is buried in the ground. They are responsible for releasing a large amount of planet-warming methane(甲烷) gas into the atmosphere, a new study suggests.The study, which was published in Science Advances on Wednesday,...
Landfills are places where a large amount of waste and other refuse is buried in the ground.They are responsible for releasing a large amount of planet-warming methane gas into the atmosphere,a new study suggests.The study,which was published in Science Advances on Wednesday,is aimed at helping...
Methane, which is the main component of natural and biogases, is known to be a very strong greenhouse gas with long lasting effect in the atmosphere that contributes actively to global warming. Releases of the gas commonly described as Fugitive Gas Emissions are an important source of methane ...
The large amounts of carbon dioxide now being released into the atmosphere by the burning of fossil fuels will not, in fact, result in a greenhouse effectan increase in average global temperatures. Since plants use carbon dioxide in larger quantities if the supply is increased, they are able ...
"The methane mystery continues," said Ashwin Vasavada, Curiosity's project scientist at JPL. "We're more motivated than ever to keep measuring and put our brains together to figure out how methane behaves in the Martian atmosphere."
Although percentage or parts per million are convenient ways to talk about the relative amounts of gases in the atmosphere, they only tell us how much there is compared to everything else up there. Concentration doesn’t give an absolute amount....
We study the transport of methane in the external water envelopes surrounding water-rich super-Earths and estimate its outgassing into the atmosphere. We i... A Levi,D Sasselov,M Podolak - 《Astrophysical Journal》 被引量: 6发表: 2014年 Water Ice Formation and the o/p Ratio Water is obser...