The main reason for global warming is the increase of ___ gases in the atmosphere. A. greenhouse B. redhouse C. whitehouse D. blackhouse 相关知识点: 试题来源: 解析 A。本题考查词汇“greenhouse gases(温室气体)”的表达。选项 B、C、D 均不是正确的表达,“greenhouse gases”是指导致全球变暖...
aThere are several main types of pollution and well-known effects of pollution. One type of air pollution is the release of particles into the air from burning fuel for energy. Another type of pollution is the release of harmful gases in the atmosphere, forming smog and acid rain. The gree...
aThe U.N.'s world Meteorological Organization announced last week that the rise in greenhouse gases in the atmosphere accelerated to a record high in 2012.Carbon dioxide, the main heat-trapping gas, was responsible for 80% of the jump, pushing concentrations to levels not seen in at least 80...
aAbstract: food modified atmosphere packaging technology can effectively extend the shelf life of food products, with the mechanism of modified atmosphere packaging and the use of the main protective gases (carbon dioxide, oxygen and nitrogen) is widely used, the prospect of gas storage in meat pr...
aThe U.N.'s world Meteorological Organization announced last week that the rise in greenhouse gases in the atmosphere accelerated to a record high in 2012.Carbon dioxide, the main heat-trapping gas, was responsible for 80% of the jump, pushing concentrations to levels not seen in at least 80...
In addition, CH4 and N2O emissions were converted into CO2-equivalent emissions based on their 100 yr global warming potentials (GWPs), and the relative contribution of three gases to total CO2-equivalents was quantified. Our results are intended to fill the knowledge gaps of GHG emissions in ...