Question

The diagram below represents a cycling of materials.



Which row in the chart below shows the substances represented by X and Y?



(1 point)
Responses

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Answer 1

I can’t see the diagram or the chart you’re referring to. Please either upload the image or paste the diagram/text of the chart (including the four answer rows) or describe the elements and arrows in the diagram (what organisms/processes are shown and which arrows point where).

If you’d like a quick guide while you fetch the image:
- If the diagram shows plants removing CO2 and producing O2 (photosynthesis) and animals/decomposers returning CO2 (respiration/decomposition), then X is O2 and Y is CO2.
- If it’s the water cycle (evaporation → condensation → precipitation), X might be water vapor and Y liquid water.
- If it’s the nitrogen cycle (bacteria converting N2 → NH3/NH4+ → NO3− → plants), X/Y would be specific nitrogen compounds (ammonium, nitrate, atmospheric N2).

Send the diagram or describe it and I’ll pick the correct row and explain.