The carbon cycle is an important part of the Earth's ecosystem. Which of the following is a major process in the carbon cycle that releases carbon dioxide into the atmosphere? A. Photosynthesis by plants B. Respiration by animals C. Formation of fossil fuels D. Precipitation 相关知识点: ...
Learn the carbon cycle definition and understand the carbon cycle steps through a carbon cycle diagram. Find a carbon cycle summary for complete...
The carbon cycle is the circulation and transformation of carbon back and forth between living things and the environment.•Why is the Carbon Cycle important?While CO2 is only a very small part of the atmosphere (0.04%), it plays a large role in the energy balance of the planet. CO2 ...
All of the earth's creatures are carbon-based. Biological processes, especially photosynthesis and respiration, by which energy is stored and used by organisms requires the C cycle. This chapter discusses the carbon cycle and the implications of human activities on it....
The carbon cycle碳循环(英文)Thecarboncycle L/O/G/O Contents 12 ThecarboncycleCarbondioxideThecycleGlobalwarming 3 4 ThecarboncycleAlllivingthingsaremadeofcarbon.Carbonisalsoapartoftheocean,air,andevenrocks.BecausetheEarthisadynamicplace,carbondoesnotstaystill.Itisonthemove!contents CarbondioxideIn...
3 The carbon cycle describes the movement of carbon within an ecosystem.In this cycle, carbon neutral processes do not change the concentration of carbon dioxide in the atmosphere.The table below shows the main sources and combustion products of some fuels.Fuel Main sources Main combustion products...
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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...
Thus there is a continual process which is known as "the carbon cycle". Photosynthesis is the process by which plants, by taking in carbon dioxide from the air and by using energy from the Sun, make sugars and other carbohydrate(碳水化合物).These are necessary for the healthy growth of ...
How is the carbon cycle similar to the water cycle? Both the carbon and water cycles are global biogeochemical recycling systems that support all life on Earth. They are also dependent on each other, intimately connected to each other, and both rely on plants as an intermediary in their recyc...