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根据“And the more they eat, the more carbon theymake into carbon dioxide and release into the atmosphere. Thisuncontrolled cycle speeds up and intensifies climate change."可知,微生物吃得越多,转化成的二氧化碳越多,释放到大气中的碳也越多,这是一个不可控制的循环,加剧了气候变化,故选D。●误解...
A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 B。解析:地球大气中的主要气体是氮气。文章中有对大气成分的介绍。选项 A 氧气含量比氮气少。选项 C 二氧化碳是温室气体,但不是主要气体。选项 D 氢气在大气中的含量极少。反馈 收藏 ...
C。原因:“The increase in CO₂ levels in the atmosphere is a major concern for scientists and environmentalists. As more and more CO₂ is released into the atmosphere, the Earth's temperature is rising. This can cause a variety of problems, such as rising sea levels, more extreme weat...
The atmosphere is made up of different gases. What is the most abundant gas in the atmosphere? A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 B。解析:大气中含量最多的气体是氮气。A 选项氧气含量次之;C 选项二氧化碳含量较少;D 选项氢气含量极少。 反馈 收...
They are putting too much carbon dioxide into the atmosphere, ___ prevents heat from escaping from the earth into space. A.what B.that C.which D.who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 C 本题考查定语从句。Which引导非限制性定语从句,代指前面的一句话。句意:...
What is the second most abundant gas in the Earth's atmosphere? A. Oxygen B. Nitrogen C. Carbon dioxide D. Argon 相关知识点: 试题来源: 解析 A。解析:地球大气中第二丰富的气体是氧气,占大气总量约21%。氮气是最丰富的,约占78%。二氧化碳含量较少,氩气含量也比氧气少。
So if we burn one of these fuels, we are putting its carbon into the atmosphere right? But in a balanced system somewhere else in the world the same amount of carbon is going back. It gets taking in by growing vegetation.) 根据原文,教授提及current carbon的意思是说在一个平衡的系统中,...
Then there’s carbon removal. Instead of capturing carbon from a single, concentrated source, the objective is to remove carbon that’s already in the atmosphere. This already happens when forests are restored, for example, but there’s a push to deploy technology, too. One type...
Burning coal, oil, or natural gas transfers carbon from fossil pools created hundreds of millions of years ago into Earth's atmosphere where it affects climate and ecosystems. Soils As leaves and plants die and decompose, some of the carbon in biomass is incorporated into soil where it may b...