According to the information in the chart and passage, which greenhouse gas has increased the most since the year 1500 and what has caused that particular gas increase?
a) carbon dioxide has increased the most since 1500, and it is produced mainly from the burning of fossil fuels like coal, oil, and gas.
b) methane has increased the most since 1500, and it is produced mainly by livestock manure management in the modern era.
c) sulfur dioxide has increased the most since 1500, and it is produced mainly by the production of electricity.
d) nitrous oxide has increased the most since 1500, and it is produced mainly by the use of automobiles.
eliminate
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