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One teragram Tg is equal to 10^12g (10 to the power 12). In 2000, CO2 emissions...

One teragram Tg is equal to 10^12g (10 to the power 12). In 2000, CO2 emissions from fuels used for transportation in the United States was 1930 Tg . In 2020, it is estimated that CO2 emissions from the fuels used for transportation in the United States will be 2680 Tg . (Help Please ASAP!)

i. Calculate the number of kilograms of CO2 emitted in the years 2000 and 2020. Express your answers separated by a comma.

ii. Calculate the number of moles of CO2 emitted in the years 2000 and 2020. Express your answers separated by a comma.

iii. What is the increase, in megagrams, for the CO2 emissions between the years 2000 and 2020? Express your answer to two significant figures and include the appropriate units.

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