Match the carbon reservoir exchange with the chemical equation that occurs: 1.                                                 atmosphere-rock exchange 2.                                                 atmosphere-ocean exchange 3.                                                 atmosphere-biosphere exchange A. CO2 + H2O + sunlight → CH2O + O2 B. CO2 + H2O → H2CO3 C. CaSiO3 + CO2 → CaCO3 + SiO2

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