BioBeyond Finding the Cause Exam| Questions Solved with Verified Answers
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What will happen to Earth's albedo from the loss of snow and ice? - Earth's albedo will decrease
If all else is constant, what should the change in Earth's albedo mean for the global average
temperature? - The global average temperature will increase
You've now investigated several scenarios reg...
BioBeyond Finding the Cause Exam|
Questions Solved with Verified
Answers
What will happen to Earth's albedo from the loss of snow and ice? - ✔✔Earth's albedo will decrease
If all else is constant, what should the change in Earth's albedo mean for the global average
temperature? - ✔✔The global average temperature will increase
You've now investigated several scenarios regarding Earth's albedo. Is it likely, then, that a change in
Earth's albedo is causing the temperature increase? - ✔✔No. Earth's albedo is decreasing because
snow and ice are melting, but it is the temperature increase causing the melt, not the other way around.
Perihelion Temperature (degrees C) - ✔✔-16.6
Aphelion Temperature (degrees C) - ✔✔-19.8
Is it likely that these changes in distance are responsible for the observed rapid temperature increase
on Earth? - ✔✔No. Changes in distance would result in an increase and a decrease every year, but no
overall trend.
, Make a hypothesis - what do you think are the top contributors to the greenhouse effect you discovered
in Our Blue Planet that allows Earth to host liquid water? Select all that apply. - ✔✔
Comparing the two, which gases seem to follow the temperature trend? Select all that apply. -
✔✔Water, carbon dioxide, nitrous oxide, and methane gas
Given the evidence you've investigated, could the atmosphere or parts of it be behind the observed
warming trend? - ✔✔Yes. Several atmospheric gases follow the observed warming trend,
including some known greenhouse gases.
What are the maximum and minimum values for solar luminosity shown in the data? - ✔✔Maximum
Luminosity (W/sq. m): 1364
Minimum Luminosity (W/sq. m): 1360
What pattern do you see in the data? - ✔✔Solar luminosity is rising and falling in a cycle.
How many years does it take to get from peak luminosity to peak luminosity? - ✔✔11
Average Global Temperature (degrees C) - ✔✔-18.2
Average Global Temperature (degrees C) - ✔✔-18.7
Average Global Temperature (degrees C) - ✔✔-18
Does this match well with the recent rate of change in Earth's temperature? Focus solely on the
difference in temperatures, since our calculation doesn't include atmospheric effects. Select all that
apply. - ✔✔No. The luminosity changes go up and down, and the temperature trend is generally
upward.
Yes. The changes are appropriate in time and in range.
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