Volumetrically,the largest non-point source of pollution in the United States is
A) Cropland.
B) Forested land.
C) Mine sites.
D) Urban storm water runoff.
Correct Answer:
Verified
Q11: Residence time for water in Lake Tahoe,Nevada/California
Q12: Mercury
A) Is most toxic to humans in
Q13: Improper agricultural techniques increase erosion rates nine
Q14: Breakdown of organic matter in the absence
Q15: Over time,dissolved magnesium concentration in a lake
Q17: Nitrate in groundwater can be increased by
Q18: In an agricultural region,
A) Spring planting and
Q19: A possible consequence of eutrophication is
A) Reduction
Q20: Groundwater pollution
A) Comes only from non-point pollution
Q21: Because groundwater flow rates are often slow,groundwater
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