Calculate carbon dioxide change
In a Auckland field-study notebook, atmospheric carbon dioxide rises from \(398\) ppm to \(416\) ppm over a time period. Calculate the increase. Use the diagram labels, allele model, food-web arrows, or data values before answering. Enter the answer and choose the interpretation that best matches the biological evidence.
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Worked practice: biological evidence and answer
Use the labelled biological evidence first, then connect it to the final answer.