Images shows a lake labeled carbonates in water, a cow labeled animal respiration, a tree labeled photosynthesis, a factory labeled factory emissions, the sun labeled sunlight, a cloud labeled carbon dioxide in atmosphere, another tree labeled plant respiration, an arrow from organic carbon to dead organism, and fossils and fossil fuels. arrows are labeled as follows: a from the sunlight to photosynthesis, b from carbon dioxide in atmosphere to photosynthesis, c from factory emissions to carbon dioxide in atmosphere, d from carbon dioxide in atmosphere to carbonates in water, e from dead organisms to fossils and fossil fuels, and f from plant respiration to the sky.

which arrow or arrows represent a release of carbon dioxide? what process is occurring at the arrow(s) you selected?

which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? describe the process or processes you selected.

which arrow or arrows represent reactions that demonstrate conservation of mass and energy? explain your answer.

Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?

- From factory emissions to carbon dioxide in atmosphere (C)

- The process occuring can be called as Combustion. In this process, organic matter is burned in the presence of oxygen (oxidizer). It releases energy and carbon dioxide because carbon in organic matter is oxidized to form CO2.

Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.

- from dead organisms to fossils and fossil fuels (E)

- The process explained in the question can be stated as Fossilisation. In this process, dead remains of plants and animals are transformed to fossils under pressure. The organic matter is preserved according to the shape of organism.

Which arrow or arrows represent reactions that demonstrate conservation of mass and energy? Explain your answer.

- from factory emissions to carbon dioxide in atmosphere (C) & from carbon dioxide in atmosphere to photosynthesis (B)

- Two reactions represent the converstion of mass and energy. The burning of fossil fuel (mass) releases energy and carbon dioxide, which is again used by plants to store energy in the process of photosynthesis. This is shown in C and B part of the figure.

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