It is time to learn how (protect) our atmosphere, the roof over the world of man.相关知识点: 试题来源: 解析 to protect 句子中“how”引导的宾语从句需要用不定式结构“how to do sth.”,因此括号中的动词“protect”应改为不定式形式“to protect”。句意完整,语法正确,因此答案为“to protect”。
There is currently much less methane in our atmosphere than carbon dioxide (CO2), but methane is a stronger greenhouse gas. We know that methane is a major contributor to the warming of the world, trapping heat like CO2 does. It also contributes to the formation of ozone (臭氧) at ground...
Dis the height above which there is no air Submit Dis the height above which there is no air Submit Dis the height above which there is no atmosphere Submit Name the different layers of atmosphere ? View Solution View Solution View Solution ...
The only emission from the cell is water, pure H2O, clean enough to drink and a far cry from the hydrocarbons, CO2 and oxides of nitrogen produce by the cleanest car today. Technology is currently struggling with finding an absolutely pure form of fuel cell, one that emits no harmful pollu...
Elliott Davis Jr.Sept. 10, 2024 U.S. Rises in Best Countries Rankings America's No. 3 spot in the annual U.S. News project is a high-water mark, but comes as nearly half of survey respondents see a negative global impact from a potential Trump presidency. ...
B. The carbon footprint is usually measured in tons of CO2 per year. C. These emissions lead to a thicker atmosphere and global warming. D. It is also vital to persuade others to take the same steps that you do. E. There are many measures you can take to reduce your carbon foot...
Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the world's biggest emitter
The presence of certain elements, such as the wildly over-ionized iron (Fe¹³+) in our Sun's atmosphere, also tells us about what the Sun's temperature must be. Solar Observatories The Sun's influence extends well beyond the orbit of its planets, so we launched spacecraft like the...
The amount of CO2 that the Los Angeles International Airport generates per month is approximately 19,000 tons when natural gas and electricity are taken into account. Conversely, airplanes that fly out of the airport every month, which is approximately 33,000 per month produce 800,000 tons per...
could continue. Net-zero commitments by companies have more than doubled in the past year, and the scale of NCS and offset pledges is rising accordingly. Based on net-zero pledges from more than 700 large companies, there are already commitments to buy about ...