A. They produce carbon dioxide. B. They have no effect on it. C. They absorb carbon dioxide. D. They convert carbon dioxide into other gases. 相关知识点: 试题来源: 解析 C。解析:文中提到树木作为“碳汇”,从空气中吸收二氧化碳,A选项说树木产生二氧化碳是错误的,B选项说树木对二氧化碳无影响也是...
aThe researchers then analyzed how much carbon dioxide was in the atmosphere above each of these sites over time. “Less carbon dioxide has remained in the atmosphere, relative to the amount of fossil fuel emissions, today compared to 50 years ago,” Tans said. Even including the effects of ...
搜索智能精选题目【题文】It is pretty well understood ___ controls the flow of carbon dioxide in and out the atmosphere today.A.that B.when C.what D.how答案【答案】C
According to the professor, how do the oceans remove carbon from the atmosphere? A. By dissolving it B. Through a process of condensation and precipitation C. By storing the remains of marine animals D. Through the regulation of air temperatures 显示答案 进入答题 问题反馈收藏题目 00:00 00:00...
In June, the Keeling Curve hit an all-time high of 421 parts per million. "The CO2 in the atmosphere has never been seen this high in human history," said Colton. Where is carbon coming from? Since carbon dioxide is invisible, there wasn't always a way to "see" where it is coming...
How carbon dioxide travels through the atmosphereThis NASA video shows the greenhouse gas circulating around the globe over a span of one year.Nov 19, 2014 embed code copied Live Now CBS News 24/7 CBS News Baltimore CBS News Bay Area CBS News Boston CBS News Chicago CBS News Colorado CBS...
thereleaseofcarbondioxideintotheatmosphere二氧化碳向大气层的排放 即学即练单句语法填空 ①Afterhe___(release)fromprison,hewasdeterminedtodevotemostofhistimetohisworkandfamily. ②Sheburstintotears,___(release)allherpent-upemotions. ③Thenewlawreleased...
Observatory-2 (OCO-2) satellite to make global, space-based carbon observations. But the simulation – the product of a new computer model that is among the highest-resolution ever created – is the first to show in such fine detail how carbon dioxide actually moves through the atmosphere. ...
【题目】Itisprettywellunderstood___controlstheflowofcarbondioxideinandouttheatmospheretoday. A.whatB.whenC.thatD.how 试题答案 在线课程 【答案】A 【解析】 试题分析:句意:现在人们非常清楚是什么控制着二氧化碳进出大气层。分析句子结构可知it是形式主语,后面的主语从句缺少主语,用连接代词,故选A。 练习册...
remove more carbon from the atmosphere than we spew. Efforts so far have remained woefully insufficient. Global oil demand, the Organization of Petroleum Exporting Countries predicted last month, will jump by 5 million barrels...