Estimate your yearly carbon emission in pounds of co 1. number of miles traveled by car each year average miles per gallon-gallons of gas, multiplied by 22 lbs co, gallon of gas-pounds of co, from car. la. repeat the above for additional cars and any other fueled motor vehicles or gasoline consumption. 2. number of miles of air travel per year ,divide by , multiply by 0.9 lbs co/mile of air travelpou class) of co, (economy 3. number of miles traveled on mass transit (bus, train) multiply by 0.5 lbs co2/mile of mass transit travel pounds of co 4. number of miles traveled by taxi or limo -, multiply by pounds of co 1.5 lbs co/mile in taxi or limo- 2. for the following, look at household utility bills for the last 12 months (estimate quantities if necessary, and divide by the number of people sharing the bill) kilowatt hours of electricity used per year, multiply by 1.5 pounds of co,/kilowatt-hour 2. therms of natural gas per year pounds of co, , multiply by 11 lbs co/therm- pounds co, (the therm (symbol thm is a non-si unit of heat energy equal to 100,000 british thermal units (btu). it is approximately the energy equivalent of burning 100 cubic feet (often referred to as 1 cef of natural gas). 3. add up the estimated total pounds of co, emitted per year: i will show you all the inputs from students after i collect this homework.