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5. A cow releases about 100 kg of methane (CH4) per year. If the cow is a dairy cow, it may produce 6 gallons of milk per day. Use the table

below to calculate the Carbon Dioxide Equivalents per gallon of milk due to these methane emissions. Use GWP-100, non-fossil. Calculate the number and the uncertainty, using the numbers in the table. Express the answer as CO₂-equivalents (that is what results from multiplying by the GWP).

Fig: 1