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EnglandGeographyQuick questions
Component 2: Global Systems and Global Governance
Quick questions on The carbon cycle and energy security - Eduqas A-Level Geography
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is human modification of the cycle?Show answer
Human activities shift carbon between stores and unbalance the cycle. Fossil-fuel combustion for energy, transport and industry transfers lithosphere carbon to the atmosphere, the single largest human flux, and links the carbon cycle directly to energy security and the global energy mix. Deforestation and land-use change reduce the biosphere store and its capacity to sequester carbon, and burning or decaying cleared vegetation releases stored carbon. Agriculture, cement production and the draining of peatlands and wetlands add further releases.
What is q1?Show answer
Name the four major stores of the global carbon cycle. [2 marks]
What is q2?Show answer
Explain why burning fossil fuels unbalances the carbon cycle. [3 marks]
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