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Combustion Sources Fossil Fuels Heat Pressure Chemical Transformation

Sources for greenhouse gases are water vapor (evaporation/transpiration), CO2 (respiration/fossil fuels), methane (wetlands/ruminants), and nitrogen oxides (bacteria/vehicle exhaust).

Sources of greenhouse gases include water vapor (evaporation, transpiration), CO2 (respiration, fossil fuels), methane (waterlogged habitats, ruminants), and nitrogen oxides (bacteria, vehicle exhaust).

Front combustion sources (2)
Back fossil fuels (heat, pressure, chemical transformation, compaction), biomass (hydrocarbon extraction, purification)

Tags: 4_3_carbon_cycling

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