This consumption of electricity is a marginal use, so the electricity comes from the marginal generator, a natural gas power plant, that in the time the oven was on emitted 190,000 kg CO2 to produce 750 MWh of electricity. a. How much CO2 does the plant emit per kWh of electricity generated? b. How much CO2 is emitted as a result of the use of electricity to power the oven per cookie that is baked