[WATER|CYCLE] Date: _____ Per: ____ Directions: Answer each question by circling the correct choice. After you have finished all questions, color the picture on the back using the corresponding color choice. You may choose any color you want for any parts of the picture that are not assigned a color. KeyFermentation is an anaerobic process of breaking down organic molecules. It occurs in the absence of oxygen. Fermentation breaks down organic molecules, such as glucose, into smaller organic molecule end products. Fermentation begins with the process of glycolysis to produce pyruvic acid and 2 net ATP.Mar 6, 2014 · The terrestrial carbon cycle is dominated by the balance between photosynthesis and respiration. 2 Carbon is transferred from the atmosphere to soil via ‘carbon-fixing’ autotrophic organisms, mainly photosynthesising plants and also photo- and chemoautotrophic microbes, 3, 4 that synthesise atmospheric carbon dioxide (CO 2) into …Kreb's Cycle. Color and label the matrix (10) yellow on Figure 3. Adenosine triphosphate (ATP) is the energy molecule used by cells to do work. It is a nucleotide consisting of a nitrogen-containing base (adenine, thymine, cytosine or guanine), a 5-carbon sugar, and 3 phosphate groups. ATP is able to store and transport chemical energy within ...Work through the items below to answer all the questions. You may use links provided and the text book, Chapter 57. Read about each nutrient cycle, view the animation clips, analyze the diagrams, and evaluate the information on impacts to each cycle and global concerns. Part-I. Nutrient cycling is an important part of an ecosystem.The carbon cycle is the process that moves carbon between plants, animals, and microbes; minerals in the earth; and the atmosphere. Carbon is the fourth most abundant element in the universe. With its ability to form complex molecules such as DNA and proteins, carbon makes life on Earth possible. Carbon in the form of carbon dioxide (CO 2) is ...Put the number of gigatonnes of carbon stored in each reservoir in the small boxes in each reservoir. One gigatonne (Gt) equals 1,000 million tones, and 1 tonne equals 1,000 kg. 2. Table 2 shows the fluxes of carbon between reservoirs, measured in gigatonnes of carbon per year (Gt/yr). Add these fluxes to the diagram of the global carbon cycle.Color By Number The Carbon Cycle Answer Key Unveiling the Power of Verbal Art: An Mental Sojourn through Color By Number The Carbon Cycle Answer Key In a world inundated with displays and the cacophony of instantaneous conversation, the profound power and emotional resonance of verbal artistryIn this activity, students will answer 12 questions regarding the carbon cycle. Once finished, they will use the answers to color the corresponding parts of a fun killer whale mandala coloring page. The questions address misconceptions regarding the carbon cycle.The carbon cycle; Decomposition and the carbon cycle. Nutrient cycles. Within an ecosystem close ecosystem An area where a community of organisms live and are affected by a range of environmental ...The carbon cycle describes the continuous flow of carbon between organic and inorganic carbon reservoirs, or areas of Earth where large amounts of carbon are stored. Most of …Photosynthesis and the carbon cycle f Now write a sentence using one of the words in the list that you have not used in your answers to a, b, c or d. Your sentence should include some information about the carbon cycle. 1.4 Climate change Exercise 1 This exercise is about comparative adjectives and adverbs. Look at theThe Global Carbon Cycle Christopher B. Field 2012-09-26 While a number of gases are implicated in global warming, carbon dioxide is the most important contributor, and in one sense the entire phenomena can be seen as a human-induced perturbation of the carbon cycle.An OHT showing the carbon cycle (Figure 1). A copy of the carbon cycle A4 sheet for each pupil (Figure 1). Either a copy of . Carbon cycle in the lab: carbon products and the processes that link them (for pupils) worksheet for each pupil or an OHT version 1 set of A4 sheets of 'products', (Carbon dioxide in the atmosphere, Carbon in green• Research a carbon pool and present the key points to their peers. • List all the major pools and fluxes in the global carbon cycle. • Define residence time and provide one example from the carbon cycle. • Compare and contrast the carbon cycle pre and post 1700. Questions. Content • What are the major pools and fluxes of the global ...Carbon Cycle Answer Key , and this chapter equips you with the insights to navigate each format effectively. We'll delve into the nuances of multiple-choice questions, Analyzing Graphics The Carbon Cycle Answer Key not only the correct answer but the reasoning behind it.This type of cycle of atoms between living and non-living things is known as a biogeochemical cycle. All of the atoms that are building blocks of living things are a part of biogeochemical cycles. The most common of these are the carbon and nitrogen cycles. Tiny atoms of carbon and nitrogen are able to move around the planet through these cycles.4. In the carbon cycle, the human body returns carbon to the atmosphere through this way: (a) formation of glucose. (b) waste products. (c) photosynthesis. (d) cellular respiration. Answer: (d) 5. Respiration and photosynthesis are central to this process.A copy of the teacher carbon cycle answer key The teacher should facilitate a space where the Carbon cycle process signs can be spread out in a shape similar to the shape in the Student Carbon cycle model. Suggestions of spaces could be on . desks in a classroom, on the classroom floor after moving the desks out of the way, a hallway ...The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms. These are the reservoirs, or sinks, through which ...There are a number of Pantone color books and tools for easy reference and endless ideas. Below are the top ten Pantone reference tools you can find on Amazon. * Required Field You...Carbon Cycle - Close Read You will answer the following questions for a series of diagrams that detail the carbon cycle. With each new diagram, you will receive new information in order to help tie together what you have figured out so far. ... Observe the number values in the diagram. What is similar and different between the terrestrial and ...Some of the activities that you can include in the water cycle worksheet are mentioned below: Drawing and coloring the water cycle. Searching and jotting down words related to the process of the water cycle. For example, sun, condensation, evaporation, etc. Writing a short essay on the importance of water. Completing the sentences.1 copy of the carbon cycle process signs. 1 copy of the carbon cycle product signs. A copy of the Student carbon cycle model for each student. A copy of the teacher carbon cycle answer key. The teacher should facilitate a space where the Carbon cycle process signs can be spread out in a shape similar to the shape in the Student Carbon cycle model.All are print and go and include full color answer keys. Most, but not all, also include an unnumbere. 66. Products. $152.80 $197.50 Save $44.70. View Bundle. Carbon Cycle | Spanish Bilingual Bundle | Color By Number. Save some money by purchasing this Carbon Cycle | Science Color By Number Spanish Bilingual Bundle.The Slow Carbon Cycle. Through a series of chemical reactions and tectonic activity, carbon takes between 100-200 million years to move between rocks, soil, ocean, and atmosphere in the slow carbon cycle. …Model 2 The Carbon Cycle Answer Key The carbon cycle - The carbon cycle and decomposition ... Carbon Cycle - Definition, Process, Diagram Of Carbon Cycle Carbon and nitrogen cycle dynamics in the O‐CN land ... Pogil: Nutrient Cycles Flashcards | Quizlet Final Carbon Cycle Model Creation | National Geographic ...Products. $8.95 $14.00 Save $5.05. View Bundle. Ecology Color By Number Bundle | Science Color By Numbers. You can save 30% by purchasing my Ecology Color By Number Bundle. This bundle includes 10 of my color-by-number review worksheets.Included in this Bundle:Biomes Biodiversity Symbiosis Renewable and Nonrenewable Energy Resources Organisms ...Model 2 The Carbon Cycle Answer Key The carbon cycle - The carbon cycle and decomposition ... Carbon Cycle - Definition, Process, Diagram Of Carbon Cycle Carbon and nitrogen cycle dynamics in the O‐CN land ... Pogil: Nutrient Cycles Flashcards | Quizlet Final Carbon Cycle Model Creation | National Geographic ...© Cambridge University Press www.cambridge.org Cambridge University Press 0521018625 - The Carbon Cycle Edited by T. M. L. Wigley and D. S. Schimelcarbon cycle, in biology, circulation of carbon in various forms through nature. Carbon is a constituent of all organic compounds, many of which are essential to life on Earth. The source of the carbon found in living matter is carbon dioxide (CO 2) in the air or dissolved in water. Algae and terrestrial green plants ( producers) are the chief ...In this activity, students will answer 12 questions regarding the carbon cycle. Once finished, they will use the answers to color the corresponding parts of a fun killer whale mandala coloring page. The questions address misconceptions regarding the carbon cycle. For example, some students have trou...Unbalancing the carbon cycle. Download Worksheet. Download Answer Key. Purpose: After completing this activity, students will better understand where carbon is stored in the Earth, how carbon ...Well, you can use most of them much longer than you might think. I cleaned out my pantry over the weekend and it led to a lot of existential questions, mostly about sprinkles. In a...Understanding the carbon cycle is critical to determining how long CO 2 will stay in the atmosphere. Since CO 2 is the most important greenhouse gas, this knowledge is vital for our ability to predict how climate change will occur. The Carbon Cycle All life is based on the element carbon. Carbon is the major chemicalThe process by which cells capture energy from the sun and convert it into food is called... cellular respiration [yellow] photosynthesis [green] diffusion [light green] 2. Plants use …The carbon cycle. The carbon cycle. The nitrogen cycle. The nitrogen cycle. The phosphorus cycle. ... It's a key part of nucleic acids, like DNA ... The number of dead zones has increased for several years, and more than 400 of these zones existed in 2008. One of the worst dead zones is off the coast of the United States in the Gulf of Mexico.The Carbon Cycle Answer Key 1 OMB No. 8123720614638 The Carbon Cycle Answer Key The Carbon Cycle The Global Carbon Cycle Climate Change Big Book Gr. 5-8 ... see just how an object's color affects how much radiation it absorbs. Find out what effect rising temperatures have on Earth's oceans. Create your own modelAs it turns out, Earth has a carbon cycle, which contains several carbon "reservoirs" (places that retain carbon), and carbon continuously gets exchanged between the earth and the atmosphere. But, the carbon cycle deals with more than just anthropogenic emissions and plant growth. For starters, the earth-atmosphere system has a "carbon budget ...carbon cycle, in biology, circulation of carbon in various forms through nature. Carbon is a constituent of all organic compounds, many of which are essential to life on Earth.The source of the carbon found in living matter is carbon dioxide (CO 2) in the air or dissolved in water.Algae and terrestrial green plants are the chief agents of carbon dioxide fixation through the process of ...Analyzing Graphics The Carbon Cycle Answer Key analyzing-graphics-the-carbon-cycle-answer-key 4 Downloaded from w2share.lis.ic.unicamp.br on 2019-07-08 by guest Distinguishing Credible Sources 13. Promoting Lifelong Learning Utilizing eBooks for Skill Development Exploring Educational eBooks 14. Embracing eBook TrendsA diagram shows processes within the carbon cycle connected by arrows indicating the flow of carbon within and between the atmosphere, land, and ocean. Four arrows are …A small portion of vegetation carbon in the boreal zone is found in the biomass of wetlands (5% to 12%) and in burned areas (about 1%). A separate synthesis reported 14.0 Pg C for all living biomass (both above and below ground) in Canada, covering 2.29 × 10 6 km 2; Pan et al., 2011).The Global Carbon Cycle: Crash Course Chemistry #46. In this final episode of Crash Course Chemistry, Hank takes us on a tour of The Global Carbon Cycle and how it all works. From Carbon Fixation to Redox Reactions, it's all contained within! In this final episode of Crash Course Chemistry, Hank takes us on a tour of The Global Carbon Cycle ...Rearrange the statements to explain one way that carbon dioxide in the oceans can end up in plants. 1. - The carbon dioxide reacts to form carbonate compouds. 2. - The carbonate compounds are used to make shells and bones. 3. - When the organisms die the shells and bones drop to the bottom of the ocean. 4.Carbon Cycle Glossary Anthropogenic emissions: Human-made materials (gases, particles, vapors, chemical compounds, etc.) that come out of smokestacks, chimneys, and vehicle tailpipes. Atmosphere: The mixture of gases surrounding the Earth. The Earth's atmosphere consists of about 79.1% nitrogen (by volume), 20.9% oxygen, 0.036% carbon dioxide and trace amounts of other gases.Carbon Cycle Answer Key are the gateway to progress. Understanding their purpose and structure is the first step towards mastering Analyzing Graphics The Carbon Cycle Answer Key. We delve into the types of Analyzing Graphics The Carbon Cycle Answer Key, the skills assessed, and the weightage given to Analyzing Graphics The Carbon Cycle Answer Key.Carbon Cycle Glossary Anthropogenic emissions: Human-made materials (gases, particles, vapors, chemical compounds, etc.) that come out of smokestacks, chimneys, and vehicle tailpipes. Atmosphere: The mixture of gases surrounding the Earth. The Earth's atmosphere consists of about 79.1% nitrogen (by volume), 20.9% oxygen, 0.036% carbon dioxide and trace amounts of other gases.Mar 12, 2018 · Test your knowledge of the carbon cycle – and diagrams – with this quiz. Use the carbon cycle interactive to help you answer the questions. For best results, open the interactive in a separate window. Tweet. Rights: University of Waikato Published 12 March 2018 Referencing Hub media.The entire carbon cycle is shown in Figure 1. Figure 1. Carbon dioxide gas exists in the atmosphere and is dissolved in water. Photosynthesis converts carbon dioxide gas to organic carbon, and respiration cycles the organic carbon back into carbon dioxide gas. Long-term storage of organic carbon occurs when matter from living organisms is ...Carbon cycle : The carbon cycle is the process of movement of carbon, a life-sustaining element from the atmosphere and oceans into the organisms and then back to the place from where it comes from i.e., the atmosphere. The carbon cycle can occur in a short period of time and can take thousands of years to happen. Major steps of the carbon cycle:Answer Key Color By Number The Carbon Cycle Answer Key lay the groundwork for your academic or professional pursuits. In this chapter, we explore the significance of Color By Number The Carbon Cycle Answer Key, their role in your journey, and set the stage for the comprehensive preparation that follows.5. What organism is required to run the nitrogen cycle? ________________. Part 2: The Carbon Cycle. Select Web Visual Lesson 2 to see an interactive carbon cycle. Move the carbon atom (black ball) from one reservoir to another and select the correct process that allows it to happen. Answer questions 6-. 6. What are the two types of plants found ...Dec 4, 2013 · The carbon cycle of the coastal ocean is a dynamic component of the global carbon budget. But the diverse sources and sinks of carbon and their complex interactions in these waters remain poorly ...Color By Number The Carbon Cycle Answer Key Ecosystems Angela Wagner 2007-09-01 Study biotic and abiotic Ecosystems presented in a way that makes it more accessible to students and easier to understand. Discover the difference between Producers, Consumers and Decomposers. Look at evolving populations, change in Ecosystems, Food Chains and Webs.Figure 5.3.2 5.3. 2: The Calvin cycle has three stages. In stage 1, the enzyme RuBisCO incorporates carbon dioxide into an organic molecule. In stage 2, the organic molecule is reduced. In stage 3, RuBP, the molecule that starts the cycle, is regenerated so that the cycle can continue. In summary, it takes six turns of the Calvin cycle to fix ...Human Impacts: Fossil Fuels. In the natural carbon cycle, there are two main processes which occur: photosynthesis and metabolism. During photosynthesis, plants use carbon dioxide and produce oxyge and during metabolism oxygen is used and carbon dioxide is a product. Humans impact the carbon cycle during the combustion of any type of fossil ...The Global Carbon Cycle Christopher B. Field 2012-09-26 While a number of gases are implicated in global warming, carbon dioxide is the most important contributor, and in one sense the entire phenomena can be seen as a human-induced perturbation of the carbon cycle.color-by-number-the-carbon-cycle-answer-key 2 Downloaded from w2share.lis.ic.unicamp.br on 2023-06-09 by guest Download, an eBook covers solved quiz questions and answers on chapters: A balanced diet, air and water, earth, force and machines, fossils, growth and movement in living things, heat, light, living things and their environment, magnet andCarbon is crucial for life, forming molecules like glucose, ATP, amino acids, and DNA. The carbon cycle involves plants taking in carbon dioxide, fixing carbon, and creating organic molecules. Animals eat plants, metabolize the molecules, and release carbon dioxide. This cycle keeps carbon circulating in the biosphere.Created by Sal Khan.d) More information is needed to answer this question. 8. Currently, the concentration of carbon dioxide in Earth's atmosphere is about 400 parts per million. During the Pleistocene Epoch, about 150 thousand years ago, the concentration of carbon dioxide in Earth's atmosphere was about 200 parts per million. Based on your knowledge of theAnalyzing Graphics The Carbon Cycle Answer Key A Framework for K-12 Science Education National Research Council 2012-02-28 Science, ... The Global Carbon Cycle Christopher B. Field 2012-09-26 While a number of gases are implicated in global warming, carbon dioxide is the most important contributor, and in one sense the entire ...May 30, 2018 · 7. How does carbon move through Earth’s four spheres? Sketch a diagram of the carbon cycle. Include main sources of carbon in all four spheres and draw and label arrows to indicate important processes in the movement of carbon between the spheres. 8.About Ocean Physics. The ocean plays a fundamental role in the Earth’s system. It shapes our planet’s climate and weather by absorbing, storing, and transporting large quantities of heat, water, moisture, and carbon dioxide. NASA’s Ocean Physics program enables research that advances our understanding of the ocean’s role in climate.The Carbon Cycle and Atmospheric CO'2' Eric T. Sundquist 1987 Carbon Cycle 2010 The Global Carbon Cycle Christopher B. Field 2012-09-26 While a number of gases are implicated in global warming, carbon dioxide is the most important contributor, and in one sense the entire phenomena can be seen as a human-induced perturbation of the carbon cycle.The carbon cycle. (A) Photosynthesis in land plants fixes atmospheric CO2 (inorganic carbon) as organic carbon, which is either stored as plant biomass or in soil, or is decomposed back to CO2 ...Scientists use color to classify carbon at different points in the carbon cycle based on carbon function, characteristics, and location. This creates a more descriptive framework than traditional "organic" and "inorganic" labels. Purple - Carbon captured through the air or industrial emissions. Blue - Carbon stored in ocean plants and sediments.Key Points. Carbon is present in all organic molecules; carbon compounds contain large amounts of energy, which humans use as fuel. The biological carbon cycle is the rapid exchange of carbon among living things; autotrophs use carbon dioxide produced by heterotrophs to produce glucose and oxygen, which are then utilized by heterotrophs.Color by Number. There are four Color by Number activities. Each one shows a different area of NASA Aeronautics research. Color by Number. The National Aeronautics and Space Administration. NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.The neon-colored $2 bike safety trick. It’s late March and my friend Erik and I are on the first leg of our 2,000-mile bicycle trip from Los Angeles to Denver. After sweating my wa...When animal and plants die, microorganisms, fungi and insects are responsible for decomposition. These organisms also respire. Show an arrow on the diagram to indicate respiration by decomposers. Scientists are concerned that melting glaciers are exposing long frozen animals. When the ice melts, the animals thaw and begin to decompose.The complete water cycle is carried into four stages which are as follows: Evaporation, Condensation, Precipitation and Collection. Evaporation. This is the initial stage of the water cycle. The process by which water from its liquid state changes to vapour, a gaseous state, is termed as evaporation. During the water cycle, water in the water ...Carbon has been locked up in fossil fuels, built up from once-living things, for millions of years. Acknowledgement: Public domain. Sediments and sedimentary rock. The carbon cycle overlaps the rock cycle. Ocean sediments and the rocks they turn into contain huge amounts of carbon. This is mostly in calcite and limestone.Directions: Read each question and circle the correct answer. After completing all questions, color the picture using the colors that correspond to each answer. You may color unnumbered sections of the picture any color you like. Question 1. Newton's 3rd law states that for every action, there is an equal and reaction. 2. Forces always occur 3.The largest source of CO 2 to the atmosphere is associated with the burning of fossil fuels and cement manufacturing. A recent effort by the Vulcan project at Purdue University has made a detailed map of CO 2 emissions in the United States at a 10km by 10km resolution. The map below shows that population centers are hot spots for CO 2 emissions.Products. $8.95 $14.00 Save $5.05. View Bundle. Ecology Color By Number Bundle | Science Color By Numbers. You can save 30% by purchasing my Ecology Color By Number Bundle. This bundle includes 10 of my color-by-number review worksheets.Included in this Bundle:Biomes Biodiversity Symbiosis Renewable and Nonrenewable Energy Resources Organisms ...Showing us the carbon cycle from a carbon atom's viewpoint, he follows one carbon atom into a leaf of barley and then into an alcohol molecule in a glass of beer, through the human bloodstream, and then back into the air. He also compares the fluxes of carbon brought into the biosphere naturally against those created by the combustion ofJul 14, 2009 · C. What do you think might be causing the long-term trends in CO2 at MLO (refer to the Basics of the Carbon Cycle and Greenhouse Effect Page to answer this question)? Task 3: Using Barrow, Alaska, United States [BRW] for data visualization, explore several options offered by the IADV and answer the following questions:This diagram of the carbon cycle shows the major flows in the "fast" carbon cycle and the main reservoirs of the carbon cycle as a whole (both the "fast" and "slow" carbon cycles). Reservoirs are labeled with white text in units of gigatons of carbon (GtC). Arrows indicate flows of carbon between reservoirs and are labelled with yellow text ...Changes to the carbon cycle. Systems do not stay the same - when one part is changed, other parts respond and change to restore a balance. Over the last 200 years or so, there has been a detectable change in the carbon cycle. Humans have been burning carbon-rich fossil fuels, releasing carbon dioxide into the atmosphere.Unbalancing the carbon cycle. Download Worksheet. Download Answer Key. Purpose: After completing this activity, students will better understand where carbon is stored in the Earth, how carbon ...The Carbon Cycle Leonard Ridzon 1994 The Carbon Cycle Bray Jacobson 2019-07-15 Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle.The Carbon Cycle Gizmo allows you to follow the many paths an atom of carbon can take through Earth’s systems. To begin, notice the black carbon atom in the Atmospheric CO2 area, highlighted in yellow. The glowing blue areas represent possible locations the carbon atom could go next. 1. From Earth’s atmosphere, where can the carbon atom go.A very thorough look at actual data to explore the carbon cycle and trends in CO2 concentration at different sites. Comment from expert scientist: The "Basics of the Carbon Cycle and the Greenhouse Effect" web page consists completely of facts introducing the reader to the carbon cycle and the main sources of carbon dioxide in the atmosphere.This page titled 10.4: Nutrient Cycles is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Teresa Friedrich Finnern. Nutrient cycles describe how elements used by organisms move among the air, water, soil, rocks, and the organisms themselves. The carbon cycle involves photosynthesis and cellular respiration.Carbon Cycle – Close Read You will answer the following questions for a series of diagrams that detail the carbon cycle. With each new diagram, you will receive new information in order to help tie together what you have figured out so far. FIGURE 1 What natural process absorbs CO 2 from the environment?Carbon Cycle Answer Key The Changing Carbon Cycle John R. Trabalka 2014-01-15 Climate Change The Royal Society 2014-02-26 Climate Change: Evidence and Causes is a jointly produced publication of The US National Academy of Sciences and The Royal Society. Written by a UK-US team of leading climate scientists and reviewed byEmail has become a necessity for businesses. However, if you receive a large number of messages every day, it can be extremely time-consuming to deal with them all and determine wh...1 Identify key processes in the carbon cycle. 2 Describe the carbon cycle. Students succ, Bacteria play a key role in the nitrogen cycle. Nitrogen enters, Earth’s global carbon cycle includes major carbon sinks and sources. (Inset diagrams show key processes in the carbo, Carbon Cycle – Close Read You will answer the follow, Activity 1.1: The Carbon Cycle. Part 1: Modeling the Carbon Cycle. Students discuss the. componen, Cycling of Carbon and Nutrients. Nutrient and carbon cycling through th, In Mexico, land converted to forest contributes a sink of atmospheric c, 15. Correct Both plants and animals play an importa, Learn how carbon moves through the ecosystem! In this game, p, 1 Identify key processes in the carbon cycle. 2 Describe t, carbon cycle answer key 2023-09-19 2/2 carbon cycle answ, Carbon Sink (coal, oil, peat, natural gas) 11. Model 2, Carbon Cycle Worksheet Answer Key - TeachEngineering Color By Numb, The carbon cycle. Carbon is crucial for life, forming molecules, Ѻ 2.2.1. Carbon Cycle diagram Adapted from https://serc.carleto, A Refers to bacterial communities and B Refers to f, A diagram shows processes within the carbon cycle connected by arrow, The carbon cycle. Carbon is crucial for life, forming molecul.