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Climate change, food and disease vectors

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Which explanation links cattle production to a required greenhouse gas?

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Which sequence correctly describes a warming feedback?

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Why can a seawall worsen the risk to a mangrove stand under rising sea level?

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Which explanation directly accounts for a mangrove carbon store?

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What most weakens a claim that new bioethanol production is carbon neutral?

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Which comparison is most defensible?

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Why might flooding reduce root function?

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Which conclusion fits faster development but lower survival at a higher temperature?

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Which statement best explains possible spread beyond the tropics?

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Question 1 of 9

Link activities, gases and warming

Explain how fossil-fuel energy use, forest clearance and increased demand for ruminant meat can increase warming. Name the relevant gases and distinguish carbon release from loss of uptake.

Use separate mechanisms for the three activities.

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