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7. Carbon Cycle to spec

A Level Environmental Science revision
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stwvlker
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Last updated: May 17, 2025
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First submittedMay 17, 2025
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Lithospheric
Carbonate rocks
Lithospheric
Fossil fuels
Lithospheric
Pure carbon
Hydrospheric
Dissolved CO2
Hydrospheric
Carbonate ions
Atmospheric
Gasous carbon
Biospheric
Organic matter
Biospheric
Biomolecules
Crysospheric (5 words)
Dead organic matter in permafrost
Main processes
Photosynthesis
Main processes
Respiration
Main processes
Complex food webs
Main processes
Fossilisation
Main processes
Combustion
Photosynthesis: __________ captures ____ _______ to convert low-energy substances into ___-______ ____________
Chlorophyll, light energy, high energy carbohydrates
Respiration: ______ captured during photosynthesis is used to ____ _________ _________
Energy, drive metabolic processes
Decomposer example (2)
Bacteria, fungi
Detritivore example (2)
Beetles, earthworms
Fossilisation (5 words)
Incomplete anaerobic decomposition and compression
Fossilisation (6 words)
Calcifying marine life die and lithify
Human activities
Photosynthesis changes
Human activities
Respiration
Human activities
GHGs
Human activities
Biomass movement
Human activities
Dissolved CO2
Human activities
Carbonic acid
Human influences on photosynthesis
Deforestation
Human influences on photosynthesis
Afforestation
Human influences on photosynthesis
Marine pollution
How marine pollution affects photosynthesis
Reduces phytoplankton
How marine pollution affects photosynthesis
Reduces sequestration
Human influences on aerobic respiration
Ploughing
Human influences on anaerobic respiration
Rice padi fields
Human influences on anaerobic respiration
Landfill sites
Human influences on anaerobic respiration
Livestock intestines
Human influences on biomass movement
Deforestation
Human influences on biomass movement
Crop harvesting
Human influences on biomass movement
Composting
Human influences on biomass movement
Sewage discharge
Current carbonic acid
Equilibrium with dissolved CO2
Increased __________ CO2 = increased _______ CO2 = increased _________ ____ = increased _________ ___ = _____ ______________
Atmospheric, dissolved, carbonic acid, hydrogen ions, ocean acidification
Sustainable management
Alternative energy sources
Sustainable management
Carbon sequestration
Sustainable management
Carbon Capture Storage
Sustainable management
Afforestation matching
Sustainable management
Soil organic matter
Sustainable management
Peat bog conservation
Pre-combustion CCS
Gasification
Pre-combustion CCS
Oxy-fuel combustion
Post-combustion CCS
Graphene adsorption
Post-combustion CCS
High pressure membrane filtration
Gasification: converts fuel to ______ _________ and CO2, releasing only _____ ________ when burnt
Gaseous hydrogen, water vapour
Oxy-fuel combustion: Combustion with ____ _______, so only CO2 and _____ ________ are released
Pure oxygen, water vapour
CCS storage
Aquifers
CCS storage
Oil fields
CCS storage
Secondary oil recovery
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