What is the first step in the carbon cycle? A. Respiration B. Photosynthesis C. Combustion D. Decomposition 相关知识点: 试题来源: 解析 B。解析:在碳循环中,第一步是光合作用。植物通过光合作用从大气中吸收二氧化碳,这是碳进入生物群落的开始。呼吸作用是碳返回大气的途径之一,选项A错误。燃烧是碳释放...
题干大意为“美国政 府在担心什么” ,答案定位于第二段第一句"The US government is especially concerned about th e problems",这里的“the problem"特指第一段提及 的问题,即“But now food makers are adding i t to many products, from potato chips to wate r",(当前食品加工者将咖啡因添加于许多...
Yougaingreaterconfidenceinyourself.Also,youbecomemoreoptimisticandcalmerinthemindthanbefore.Thereareseveralreasonsforthesechanges:yourself-imageimprovesasyoustartlivingintidybeautifulrooms,andyougaindecision-makingskillsasyoucontinuetochoosebetweenwhichthingstothroworgiveawayandwhichtokeep.ThewayweletgoofthingsintheKo...
"What determines the magnitude of carbon cycle-climate feedbacks?" Global Biogeochemical Cycles 21: GB2012. doi:10.1029/2006GB002733.MATTHEWS, H. D., M. EBY, T. EWEN, P. FRIEDLINGSTEIN, AND B. J. HAWKINS. 2007. What determines the magnitude of carbon cycle-climate feed- backs?. Global...
Explain melting in the rock cycle What is the purpose of RuBisCo in the Calvin-Benson cycle? What does synthesis refer to in Bloom's Taxonomy? When a hexagon is used to describe a molecule, does that mean it's always a group of carbon?
L., and Gruber, N.: What can be learned about carbon cycle climate feedbacks from the CO2 airborne fraction?, Atmos. Chem. Phys., 10, 7739-7751, doi:10.5194/acp- 10-7739-2010, 2010.Gloor M, Sarmiento JL, Gruber N (2010) What can be learned about the carbon cycle climate feedbacks...
Since the idea was introduced in the late 1980s, carbon offsetting has been a go-to solution for governments and corporations looking to speed up climate action. Although carbon offsets effectively attracted funds to decarbonization projects, the concept
Trees serve as carbon sinks in the carbon cycle. In the carbon cycle a carbon sink is an entity which is capable of storing carbon for an indefinite... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ...
百度试题 结果1 题目What effects the amount of carbon-14 on earth() A. The life cycle of trees B. The number of trees C. The intensity of solar burning D. The quality of air 相关知识点: 试题来源: 解析 C 反馈 收藏
The Earth is divided into four interconnected spheres, one that is biotic and three of which are abiotic. Biotic sphere The biotic sphere, known as the biosphere, encompasses all living organisms. This includes a vast diversity of life forms, from microscopic bacteria to towering trees, as well...