BBE 1002 UMN FINAL 2022.
From question to perfection| Study with confidence!
What was the R/P ratio for crude oil in 2010? - Answer: About 54 years
When people talk about "ore" what are they referring to? If you don't know, you may need to
google it. - Answer: A naturally occurring solid material from which a metal or valuable
mineral can be profitably extracted.
The "Not in my backyard" argument prioritizes ___________ environmental issues over
_____________ environmental issues - Answer: global, local
How much in gold and silver each year are discarded from the US just in phones alone? -
Answer: $60 million
True or False? Water vapor is considered a greenhouse gas. - Answer: True
The cool graphic on carbon dioxide concentrations over time (since like 800,000 BCE)
showed some interesting things. What was the approximate concentration of CO2 in the
atmosphere in 1979? - Answer: 330 ppm
Plants take carbon dioxide out of the atmosphere because of photosynthesis. Living plants
also put carbon dioxide back in the atmosphere through a process called _____________. -
Answer: respiration
If you were (somehow), in a car going 60 miles per hour, driving straight up towards the sky,
how long would it take for you to reach the edge of the stratosphere?
Use this conversion:
(earth surface to stratosphere) x (1 hour/60 miles) x (60 minutes/1hour) = - Answer: about
30 minutes
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, Carbon dioxide represents about what % of the atmosphere? - Answer: 0.04%
The global temperatures in the last ice age were about _______degrees Celsius cooler than
the current global temperature of 15C. - Answer: 4
How do greenhouse gases work in regulating the energy balance of Earth's atmosphere? -
Answer: They absorb infrared energy reflected from the earth.
Energy is measured in Watts/m2. Yep, the same 'watts' used when you are shopping for a
light bulb. On average, how much solar energy reaches a square meter of Earth? - Answer:
340 watts/m2
According to the lecture an LCA provides _____________ - Answer: information to assess the
environmental impact of a product or service
True or False:
Setting of the "system or study boundaries" is part of the "impact assessment" step of the
LCA. - Answer: false
True or False: Consumers do not typically perform an LCA before making a purchase,
though they might use the results from an LCA that have been summarized on a label or on
a company's website. - Answer: true
Refers to defining the product or system we are studying. - Answer: functional unit
Collecting all of the data that is needed for the LCA - Answer: inventory analysis
Where the LCA begins and ends in terms of scope. - Answer: system boundary
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
From question to perfection| Study with confidence!
What was the R/P ratio for crude oil in 2010? - Answer: About 54 years
When people talk about "ore" what are they referring to? If you don't know, you may need to
google it. - Answer: A naturally occurring solid material from which a metal or valuable
mineral can be profitably extracted.
The "Not in my backyard" argument prioritizes ___________ environmental issues over
_____________ environmental issues - Answer: global, local
How much in gold and silver each year are discarded from the US just in phones alone? -
Answer: $60 million
True or False? Water vapor is considered a greenhouse gas. - Answer: True
The cool graphic on carbon dioxide concentrations over time (since like 800,000 BCE)
showed some interesting things. What was the approximate concentration of CO2 in the
atmosphere in 1979? - Answer: 330 ppm
Plants take carbon dioxide out of the atmosphere because of photosynthesis. Living plants
also put carbon dioxide back in the atmosphere through a process called _____________. -
Answer: respiration
If you were (somehow), in a car going 60 miles per hour, driving straight up towards the sky,
how long would it take for you to reach the edge of the stratosphere?
Use this conversion:
(earth surface to stratosphere) x (1 hour/60 miles) x (60 minutes/1hour) = - Answer: about
30 minutes
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, Carbon dioxide represents about what % of the atmosphere? - Answer: 0.04%
The global temperatures in the last ice age were about _______degrees Celsius cooler than
the current global temperature of 15C. - Answer: 4
How do greenhouse gases work in regulating the energy balance of Earth's atmosphere? -
Answer: They absorb infrared energy reflected from the earth.
Energy is measured in Watts/m2. Yep, the same 'watts' used when you are shopping for a
light bulb. On average, how much solar energy reaches a square meter of Earth? - Answer:
340 watts/m2
According to the lecture an LCA provides _____________ - Answer: information to assess the
environmental impact of a product or service
True or False:
Setting of the "system or study boundaries" is part of the "impact assessment" step of the
LCA. - Answer: false
True or False: Consumers do not typically perform an LCA before making a purchase,
though they might use the results from an LCA that have been summarized on a label or on
a company's website. - Answer: true
Refers to defining the product or system we are studying. - Answer: functional unit
Collecting all of the data that is needed for the LCA - Answer: inventory analysis
Where the LCA begins and ends in terms of scope. - Answer: system boundary
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
