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Quiz 1
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Total cards: 5•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
Which of the following oxygen isotopes is most likely to evaporate from the seawater? 16O 18O 17O
Back (Answer)
16O
#2
Front (Question)
If the Greenland ice sheets continue to melt for another century, what might happen eventually?
Back (Answer)
The thermohaline circulation will be weakened, the salinity of the seawater near Greenland will decrease, and the climate in England could get colder
#3
Front (Question)
What is the current concentration of CO2 in the atmosphere?
Back (Answer)
Approximately 400 PPM
#4
Front (Question)
What causes the zigzag pattern in the concentration of the atmospheric CO2 in the Keeling’s curve?
Back (Answer)
change of seasons
#5
Front (Question)
What describes a positive feedback loop?
Back (Answer)
It amplifies the initial disturbance