Unit 8: Aquatic and Terrestrial Pollution

/ Unit 8: Aquatic and Terrestrial Pollution

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You’ll examine the impact of pollution on ecosystems and learn how to determine its source.

Question Difficulty:

Question	Difficulty	Students Solved
Waste Material Decomposition Ranking	easy	8
Human Activities and Sediment Runoff	easy	7
Consequences of Phosphate Pollution	easy	8
Consequences of Nutrient Loading in Aquatic Environments	easy	6
Example of Bioaccumulation	easy	6
Human Health Effects of Methylmercury	easy	7
Bioaccumulation and Fat Solubility	medium	3
Strategies for Reducing Oceanic Dead Zones	medium	2
Ranking Sources of Heavy Metal Contamination	easy	6
Temperature and Dissolved Oxygen in Water Treatment	medium	3
Anthropogenic Sources of POPs	easy	5
Mercury Transformation in Aquatic Ecosystems	easy	7
Example Of Thermal Pollution	easy	6
Environmental Impact of Mercury Bioaccumulation	easy	8
Biomagnification of DDT in an Ecosystem	easy	5
Biomagnification of DDT in a Food Web	easy	7
Water Quality Test for Biodegradable Waste	easy	3
Bioaccumulation and Eggshell Thinning	easy	1
Bioaccumulation of Pollutants	easy	3
Noise Pollution and Environmental Justice	medium	1

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	nidhishenoy321	186	226	14m 23s	17,337
#2	elyfeng532	50	61	1m 05s	4,825
#3	anderson.chenenglish	44	56	3m 21s	4,079
#4	hkjaehyeong	31	32	0m 00s	3,090
#5	kingmomani446	36	51	15m 53s	2,497
#6	amart030	16	20	0m 00s	1,560
#7	ntgamja1	19	21	9m 49s	1,291
#8	abdunabievhoziakbar07	10	11	0m 00s	990
#9	baselsoufan4040	10	12	0m 00s	980
#10	mckinley.keaf	13	14	5m 15s	975

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