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.
Answers: 2
Chemistry, 22.06.2019 10:30, officialalex6330
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o β k + o2 (b) na + i2 β nai (c) cu(no3 )2 + naoh β cu(oh)2 + nano3 (d) kclo3 β kcl + o2 (e) ca(no3 )2 + hbr β cabr2 + hno3 (f) sn(oh)2 β sno + h2 o (g) p4 + n2 o β p4 o6 + n2 (h) fe + al2 (so4 )3 β feso4 + al (i) alcl3 + na2 co3 β al2 (co3 )3 + nacl (j) c3 h6 + o2 β co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 12:30, AnastasiaJauregui
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
Carbon dioxide equivalent (CO2e) is used to compare contributions to climate change of
various gree...
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