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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

Institution
EHST 2110
Module
EHST 2110

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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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Institution
EHST 2110
Module
EHST 2110

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Uploaded on
September 23, 2024
Number of pages
48
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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