Question 15 4 / 4 pts How many pounds of carbon dioxide would you prevent from entering the atmosphere in one year, if you were to replace a 100-watt light bulb with a CFL bulb that uses 28 watts in a fixture that you have on 7 hours per day? Round your answer to the nearest tenth of a pound. Do not include units with your answer. 252 252.0 margin of error +/-5%