Multiple Choice
What are the main sources of lead, mercury and arsenic water pollutants?
A) Electric power plants
B) Unlined landfills, household chemicals, mining refuse and industrial discharges
C) Sewage and inorganic fertilizers
D) Runoff from streets and parking lots
E) Land erosion from farms that have used chemical insecticides
Correct Answer:

Verified
Correct Answer:
Verified
Q45: Power plants that heat the surrounding water
Q46: Eighty-five percent of what exists near major
Q47: Lands that can be used for sustainable
Q48: The earth's surface is covered by _.<br>A)
Q49: What has increased the annual reliable runoff
Q51: Spaces in rock and soil called the
Q52: Compare and contrast different irrigation systems, focusing
Q53: Withdrawing massive amounts of groundwater can cause
Q54: What causes cultural eutrophication?<br>A) Natural nutrient enrichment
Q55: What is the best approach to reducing