BBE 2201 Final UPDATED Actual Exam Questions and CORRECT Answers
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Course
BBE 2201
Institution
BBE 2201
BBE 2201 Final UPDATED Actual Exam
Questions and CORRECT Answers
Slow Carbon Cycle - CORRECT ANSWER- Carbon moving through rocks, soil, the
ocean, and the atmosphere over time
Fast Carbon Cycle - CORRECT ANSWER- Carbon moving through life forms, i.e plants
and animals
True/False: Clearing ...
BBE 2201 Final UPDATED Actual Exam
Questions and CORRECT Answers
Slow Carbon Cycle - CORRECT ANSWER✔✔- Carbon moving through rocks, soil, the
ocean, and the atmosphere over time
Fast Carbon Cycle - CORRECT ANSWER✔✔- Carbon moving through life forms, i.e plants
and animals
True/False: Clearing forests to plant agricultural crops results in an increase in atmospheric
carbon dioxide - CORRECT ANSWER✔✔- True. There is a carbon equilibrium established
with any land use.
Where are the 9 gigatons of added carbon (by humans) in the fast carbon cycle going? -
CORRECT ANSWER✔✔- Two = taken up by oceans
Four = into the atmosphere
Three = plants, soils & other biomass
Algae and other plants play this role in the Carbon Cycle: - CORRECT ANSWER✔✔-
Carbon Sink
Term that describes how carbon is exchanged among the biosphere, pedosphere, geosphere,
hydrosphere and the atmosphere of Earth: - CORRECT ANSWER✔✔- The Carbon Cycle
Term that describes the amount of carbon dioxide, or equivalent greenhouse gas, caused by a
person, organization, event or product: - CORRECT ANSWER✔✔- Carbon Footprint
Term for Carbon created by human activity: - CORRECT ANSWER✔✔- Anthropogenic
Carbon
Of these three fossil fuels (natural gas, coal, petroleum), which contributes the LEAST to U.S
carbon emissions? - CORRECT ANSWER✔✔- Coal
, Of the four sectors for carbon dioxide emissions contributors in the U.S (commercial,
transportation, industrial, residential), which is the largest? - CORRECT ANSWER✔✔-
Transportation
Carbon dioxide accounts for ____% of U.S global warming potential - CORRECT
ANSWER✔✔- 82%
An LCA (Life Cycle Assessment) provides: - CORRECT ANSWER✔✔- Information to
assess the environmental impact of a product of service.
Four potential users of LCAs: - CORRECT ANSWER✔✔- Product Designers
Consumers
Academics
Marketers
Normalization in an LCA does what? - CORRECT ANSWER✔✔- Helps put the results in
perspective in order to compare with other impacts.
List the 5 stages of the LCA process map: - CORRECT ANSWER✔✔- 1. Material Extraction
2. Manufacturing the product
3. Packaging and Transportation (distribution)
4. Use
5. End of Life
It is estimated that there are about 20 lbs of CO2e per gallon of milk. In contrast, Coke has a
carbon footprint of about 250 g CO2e/liter (purchased in 2 liter plastic bottles). What is milk's
carbon footprint in g CO2e/liter? - CORRECT ANSWER✔✔- The conversion:
20 lbs/gal x 1 gal/3.78 liters x 453 grams/lb
~~ 2110 grams/liter
= 2400 grams CO2e/liter
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