Unit 4: Earth Systems and Resources - AP Environmental Science

/ Unit 4: Earth Systems and Resources

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You’ll study the natural components that make up the environment, from geologic features to the atmosphere and climate.

Question Difficulty:

Question	Difficulty	Students Solved
Watershed Rainfall Volume Calculation	medium	9
Effects of Earth's Axial Tilt on Seasons	medium	7
Watershed Rainfall Volume Calculation	medium	7
Vegetation and Soil Erosion Prevention	easy	11
Albedo and Solar Radiation Calculation	easy	7
Conservation Techniques for Sheet Erosion	easy	11
Land Use Effect On Lake Evaporation	medium	11
Spatial Distribution of Earthquakes	easy	10
Experimental Design for Plant Transpiration	medium	10
Soil Properties Nutrient Leaching and Drainage	medium	10
ENSO and Global Climate Variability	medium	9
Plate Boundary Characteristics	easy	7
Tree Selection for Urban Heat Island Reduction	easy	9
Mechanism of Seismic Wave Generation	easy	4
Deforestation and Local Climate Effects	easy	4
El Niño and Ocean Circulation	easy	5
Calculating Carbon Sequestration Loss	easy	4
Clay Soil Water Retention	easy	8
Humus and Nutrient Cycling	easy	9
Watershed Characteristics and Land Use Change	medium	6

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	elyfeng532	143	174	30m 25s	12,165
#2	joykang0815	80	96	0m 00s	7,840
#3	chloeh59	87	116	34m 17s	6,353
#4	nidhishenoy321	66	85	15m 55s	5,455
#5	anderson.chenenglish	39	56	3m 21s	3,529
#6	ntgamja1	55	60	35m 58s	3,292
#7	andymeng14440	39	48	13m 55s	2,975
#8	hkjaehyeong	28	35	0m 00s	2,730
#9	azamarijoa	26	29	0m 00s	2,570
#10	kingmomani446	39	62	23m 49s	2,241

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