What is the main source of carbon dioxide emissions? A. Transportation B. Industry C. Agriculture D. Households 相关知识点: 试题来源: 解析 B。工业是二氧化碳排放的主要来源。选项 A 交通运输也是排放源之一但不是主要的。选项 C 农业有一定排放但不是主要来源。选项 D 家庭排放相对较少。
A. water B. carbon dioxide C. sunlight D. chlorophyll 相关知识点: 试题来源: 解析 A。在光合作用中,氧气的来源是水(water)。二氧化碳(carbon dioxide)是光合作用的原料之一,但不是氧气的来源。太阳光(sunlight)是光合作用的能量来源。叶绿素(chlorophyll)是光合作用的色素,不是氧气的来源。反馈 收藏 ...
百度试题 题目What is the largest source of stored carbon?相关知识点: 试题来源: 解析 oceanic lithosphere 反馈 收藏
So, with all this carbon constantly being depleted from the atmosphere, we really need to keep carbon output up, to a certain point. So why all the bad press for burning carbon? Well, turns out it’s the source of the carbon being burned that's the key.It's in fact the burning of...
百度试题 结果1 题目Use the graph to answer the questions below.What is the largest source of stored carbon?相关知识点: 试题来源: 解析 oceanic lithosphere 反馈 收藏
Since wood is arenewable source of energy, you can use it as much as you want in your sustainable life.Buying a wood stoveand lumber to keep it going will cost you around $4,000. This is a good deal when you figure out how much you pay in electricity costs during the winter and ...
It also shed light on the meaning of the proverb,“Helping others is the source of happiness." 34. 一次难忘的经历 一个星期天早晨,我沿着人行道骑着自行车去赴我朋友的约,突然一辆车撞上了路灯杆。汽车严重受损,火焰从车里喷出来。我和几名路...
What is the source of all energy in the atmosphere? What do we call energy produced by or coming from the sun? What is the ultimate source of energy for the Earth? What is the energy source of stars primarily associated with? The ultimate source of energy for humans comes from what sour...
mattersisthatyouareabletofollowtherightsetofguidelinestopreventyourselffromsuffering frommemoryloss. A.Itaffectsthememoryandlearningabilityofanindividual. B.Havingahealthyandbalanceddietisveryimportant. C.Tryinggivingyourselfabreakwillbeagoodway. D.Itmakesitalmostimpossibletofindthetruecauseofmemoryloss. E.This...
What is the largest carbon sink?Carbon Cycle:The carbon cycle consist of the exchange of carbon dioxide between different environments, altering the concentration of carbon between them. Each exchange that shifts carbon outside one reservoir will put more on other reservoir. The atmosphere, the ...