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	7
Effects of Earth's Axial Tilt on Seasons	medium	5
Watershed Rainfall Volume Calculation	medium	4
Vegetation and Soil Erosion Prevention	easy	5
Albedo and Solar Radiation Calculation	easy	3
Conservation Techniques for Sheet Erosion	easy	8
Land Use Effect On Lake Evaporation	medium	6
Spatial Distribution of Earthquakes	easy	6
Experimental Design for Plant Transpiration	medium	6
Soil Properties Nutrient Leaching and Drainage	medium	5
ENSO and Global Climate Variability	medium	6
Plate Boundary Characteristics	easy	4
Tree Selection for Urban Heat Island Reduction	easy	5
Mechanism of Seismic Wave Generation	easy	3
Deforestation and Local Climate Effects	easy	4
El Niño and Ocean Circulation	easy	4
Calculating Carbon Sequestration Loss	easy	3
Clay Soil Water Retention	easy	4
Humus and Nutrient Cycling	easy	6
Watershed Characteristics and Land Use Change	medium	5

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1 – 20 of 707

Rank	User	Correct Count	Attempt Count	Total 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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