Unit 5: Land and Water Use - AP Environmental Science

/ Unit 5: Land and Water Use

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You’ll examine how humans use and consume natural resources, and the ways in which we disrupt ecosystems, both positively and negatively.

Question Difficulty:

Question	Difficulty	Students Solved
Calculating Pesticide Accumulation	hard	3
Net Present Value of a Forestry Project	hard	1
Discounted Cash Flow Analysis	hard	2
Integration in Ecological Footprint Assessment	hard	2
Corporate Versus Individual Ecological Footprints	hard	-
Pesticide Application Exponential Model	hard	1
Mathematical Modeling in Integrated Pest Management	hard	3
Logistic Model With Constant Harvesting	hard	-
Geometric Series Model For Wood Yield	hard	-
Mathematical Model of Soil Erosion	hard	1
Calculating Total Pollutant Load	hard	-
Species Area Relationship Model	hard	1
Groundwater Over-Extraction Model	hard	3
Hardin and Ostrom on the Commons	hard	1
Ecological Footprint and National GDP	hard	1
Sustainable Forestry and Habitat Fragmentation	hard	2
Human Population and Sustainability	hard	2
Ecological Consequences of Heap Leaching	hard	3
Urbanization Effects on Watersheds	hard	3
Nitrogen Fertilizer Feedback Loop	hard	4

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	elyfeng532	185	225	23m 12s	16,708
#2	anderson.chenenglish	49	54	2m 59s	4,671
#3	andymeng14440	41	48	11m 19s	3,351
#4	hkjaehyeong	31	35	0m 00s	3,060
#5	kingmomani446	40	47	16m 59s	2,911
#6	azamarijoa	25	30	0m 00s	2,450
#7	aligoldenwand	23	27	0m 00s	2,260
#8	nidhishenoy321	29	35	13m 49s	2,011
#9	felipeashton11	16	20	0m 00s	1,560
#10	gravyavery12	15	17	6m 09s	1,111

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