How many different elements are in our bodies? How many elements have an atomic number of 42? How are chemical elements formed? What is the percent composition of CO2? What is the percent composition of sodium
The percentage of nitrogen in the air we breathe is 78 percent. This means that the vast majority of the atmosphere we breathe is nitrogen, with...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your toug...
Living things require nitrogen for their cells to function and, furthermore, we are virtually steeping in the stuff since our atmosphere is made up of 78 percent nitrogen gas. Although nitrogen's lurking basically everywhere, it's not abundant in the Earth's crust, and it's difficult for li...
Theloweratmosphere-ninety-ninepercentoftheloweratmosphere(orhomosphere)ismade upofnitrogenandoxygen.Therestishelium,hydrogen,andozone. Theupperatmosphere(orheterosphere)startsabout120milesabovetheearth'ssurface.It hasvacuumconditions,whichmeansthereishardlyanyairthere.Theairthatisintheupper atmosphereismadeupof...
___mentioned above,the atmosphere mainly consists of nitrogen and oxygen. A.As was B.As it was C.What was D.It was 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 A是正确选项A是“如上所诉”的固定搭配,但不像1搂说的,as绝对不是做主语.该句子的主语是the atmosphere.B...
As a result, McKinsey anticipates that by 2050, clean hydrogen could account for 75 to 90 percent of total hydrogen demand. There are a few derivatives of renewable hydrogen:Renewable ammonia is produced from both green hydrogen and nitrogen that’s extracted from the air. Ammonia can be used...
One of the most common GHGs, CO2, is found in the Earth’s atmosphere and, along with nitrogen, oxygen,methane, and other gases, is part of the planet’s air.CO2helps trap heaton Earth, like a greenhouse traps heat to grow tomatoes in cold climates. But too much of it can cause pro...
The newsnight was offside and two were also known as laughing gas nitrous oxide is produced when bacteria break down the nitrogen compounds in soils and the oceans, the use of nitrogen fertilizers and farming is increasing the rate at which It is oxide is being added to the atmosphere. ...
Nitrogen and Oxygen Nitrogen and oxygen are two gases that make up the majority of Earth’s atmosphere, and they appear in Mercury’s as well. The abundance of nitrogen is 2.7 percent of Mercury’s air, and oxygen accounts for 0.13 percent. On Earth, plants are responsible for the producti...
蔡基刚《学术英语(理工)第二版》lecture 2-What YOU can do about climate change 上传人:2*** IP属地:湖北上传时间:2022-12-29格式:DOC页数:12大小:52KB积分:30版权申诉 已阅读5页,还剩7页未读,继续免费阅读 版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领...