Carbon dioxide equivalent (CO2e) is used to compare contributions to climate change of
various greenhouse gases. A study at a farm calculated the carbon dioxide equivalent for
different production stages for beef and chicken production. Which of the following statements
is best supported by the data in the graph?
Select one:
O a. Producing food for beef and chicken emits a total of 4.67kg CO2e per kg of edible meat,
released during transport and processing of animal feed.
O b. Chicken manure does not emit any greenhouse gases, because chickens have unique
symbiotic bacteria in their digestive systems.
O c. The carbon dioxide equivalent for farm energy use by chickens is the greatest source of
emissions, because the 24 hours of lighting that chickens require to grow uses a lot of
electricity
O d. Raising beef contributes more to greenhouse gases than raising chickens does, primarily
as a result of fermentation in cows' digestive tracts, which releases methane (CH4) gas.
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Carbon dioxide equivalent (CO2e) is used to compare contributions to climate change of
various gree...
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