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EHST 2110 EXAM 2 STUDY GUIDE QUESTIONS AND ANSWERS
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EHST 2110 EXAM 2 STUDY GUIDE QUESTIONS AND ANSWERS
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Name: Score:48 Multiple choice questions
Term 1 of 48
Urban slums are a result of
urbanization; population
nitrogen and fecal matter in the water
point source pollution
increasing imbalance of gases in the air; heat being trapped in the atmosphere
Term 2 of 48
Oil spills
responsible for global warming
source of water pollution
a renewable form of energy
sulfur and nitrogen
Term 3 of 48
What is the aim of sewage treatment?
to divert the wastewater to a different location
to increase the amount of pollutants in the river
improve the quality of wastewater into a waterway; does not further contaminate the
river
to reduce the water temperature in the river
,Term 4 of 48
Pfiesteria piscicida
nitrogen and phosphorus
parasitic algae, causes holes in fishes
source of water pollution
nitrogen and fecal matter in the water
Term 5 of 48
Control methods for airborne pollutants
1. Retain existing trees = construction activities
2. Retention ponds
3. Limiting time on site
4. Scheduling
1. Strong acids or alkalis can corrode the pipes
2. Can kill the microorganisms that kill microbe involved in secondary treatment
1. Scrubbers on power plants
2. Catalytic converters reduce
3. put a "stopper"
REVISE*******
water has nowhere to go
Term 6 of 48
Biggest concern with acid mine drainage
the landfill
sulfur and nitrogen
blue baby disease
sulfuric acid/ heavy metal
,Term 7 of 48
First people to record methods for treating water
The Spanish
The Mayans
The Egyptians
The Romans
Term 8 of 48
Nitrates in drinking water can cause...
Algal blooms
Cancer
Blue baby disease
Heart attack
Term 9 of 48
Algal blooms are a result of
high oxygen levels in the water
low water temperature
excessive sunlight exposure
nitrogen and fecal matter in the water
Term 10 of 48
Secondary treatment is a
parasitic algae, causes holes in fishes
Biological process; air is added
Nitrogen and fecal matter in the water
Point source pollution
, Term 11 of 48
Dead Zone Gulf of Mexico
a large zone of hypoxia caused by excessive decomposition of algae
the largest oxygen-free zone identified to date
present year round
due to regular dumping of untreated human sewage into the gulf
Term 12 of 48
How can the problems associated with industrial discharge be prevented?
clean water act
must be pretreated/detoxified
1. strong acids or alkalis can corrode the pipes
2. can kill the microorganisms that kill microbe involved in secondary treatment
if that body of water is used for drinking, irrigation or recreation
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