Unit 9: Global Change - AP Environmental Science

/ Unit 9: Global Change

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You’ll come to understand the global impact of local and regional human activities and evaluate and propose solutions.

Question Difficulty:

Question	Difficulty	Students Solved
Characteristics of the Montreal Protocol	medium	24
Consequences of a Wavy Jet Stream	medium	23
Invasive Species Characteristics	easy	23
Primary Source Of Carbon Dioxide Emissions	easy	23
CO2 Experiment and Scientific Conclusion	medium	11
Warming Effects on Walker Circulation	easy	20
Paris Agreement Mitigation Goal	easy	13
Ecological Impact of Phytoplankton Decline	medium	11
Linear Model Of Sea Level Rise	easy	11
Permafrost Positive Feedback Loop	medium	6
Effects of Stratospheric Ozone Depletion	easy	9
Arctic Food Web Trophic Levels	easy	6
Reducing Ozone-Depleting Substances	easy	5
Melting Polar Ice and Marine Mammals	easy	2
Analyzing Greenhouse Gas Emissions Data	easy	7
Cane Toads as an Invasive Species	easy	6
Sources of Greenhouse Gas Emissions	easy	4
Consequences of Stratospheric Ozone Depletion	easy	6
Invasive Species Establishment Probability	easy	4
Competition and Species Extinction	easy	5

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	nidhishenoy321	161	184	14m 34s	14,996
#2	anderson.chenenglish	41	56	3m 21s	3,749
#3	hkjaehyeong	24	31	0m 00s	2,330
#4	baselsoufan4040	20	24	0m 00s	1,960
#5	minqingshao	18	22	0m 45s	1,715
#6	kingmomani446	26	35	14m 51s	1,619
#7	andymeng14440	21	29	10m 33s	1,387
#8	gravyavery12	15	19	6m 23s	1,077
#9	nyla.crute	18	29	10m 30s	1,060
#10	mckinley.keaf	14	15	5m 46s	1,044

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