Smog and air pollution - Study guides, Class notes & Summaries
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REHS Exam Questions and Answers Latest Updated 2024/2025 (Graded A+)
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REHS Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) A factor or agent which increases the risk of cancer is known as a 
a. teratogen 
b. mutagen 
c. carcinogen 
d. fomite - carcinogen 
2. The four major causes of death among all age groups of Americans include all of the 
following 
except. 
a. homicide 
b. accidents 
c. malignant neoplasms 
d. heart disease - homicide 
3. In recent years, the largest number of rabies cases were associated with 
a. skunks 
b. bats 
c. dogs 
d. r...
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APES - Unit 4 Questions well answered rated A+ 2023/2024
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APES - Unit 4 QuestionsBriefly describe the structure of the atmosphere, being sure to include the troposphere, stratosphere, mesosphere, and the boundaries between each set of layers. - correct answer Troposphere: atmospheric layer closest to the earth's surface; layer in which weather occurs; ozone layer separates the troposphere and stratosphere 
 
Stratosphere: location of ozone layer; "global sunscreen", prevents harmful UV radiation from getting into the earth; allows other life forms t...
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EPA Tim Exam Study Questions and Answers Graded A 2024
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Removing refrigerant in any condition from a system and storing it in an external container without necessarily testing or processing it in any way defines 
 
A) Recycling 
B) Recovering 
C) Reclaiming 
D) Restoring - B) Recovering 
 
One should NEVER heat a refrigerant storage or recovery tank with an open flame because: 
 
A) it can result in venting refrigerant to the atmosphere 
B) the tank may explode, causing serious injury to people nearby 
C) refrigerant in the tank may decompose, f...
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APES Pollution Questions with correct Answers 2024
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APES Pollution Questions with correct Answers 2024 
Troposphere 
The atmospheric layer closest to the earth's surface. Contains 75-80% of the earth's air mass and extends 11 miles about the earth's surface. 
 
 
 
Stratosphere 
The second layer in the atmosphere and extends 11-30 miles above the Earth and has a higher concentration of Ozone than the Troposphere. 
 
 
 
How is Ozone produced? 
When oxygen interacts with Ultraviolet radiation. 
 
 
 
What does ozone protect us from? 
Sunburn, c...
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Texas Emissions Inspections Exam Questions and Answers 100% Pass
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Texas Emissions Inspections Exam 
Questions and Answers 100% Pass 
 
Why are we concerned about motor vehicle pollution? Motor vehicles emit toxic air 
pollutants 
Motor vehicles contribute to the formation of ground level ozone 
A "typical" vehicle emits a half-ton of air pollution annually 
A malfunctioning vehicle emits many times the amount of pollution of a "typical" vehicle 
 
True or False: Motor vehicles are the largest source of ground-level ozone (or smog) in Texas. 
True 
 
What i...
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REHS Exam Questions and Answers, Latest Updated 2024/2025 (Graded A+)
- Exam (elaborations) • 36 pages • 2024
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A factor or agent which increases the risk of cancer is known as a 
a. teratogen 
b. mutagen 
c. carcinogen 
d. fomite - carcinogen 
2. The four major causes of death among all age groups of Americans include all of the 
following 
except. 
a. homicide 
b. accidents 
c. malignant neoplasms 
d. heart disease - homicide 
3. In recent years, the largest number of rabies cases were associated with 
a. skunks 
b. bats 
c. dogs 
d. raccons. - skunks 
4. Asbestosis is caused by fine silicate fibers ret...
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PA Emissions Inspector Certification Exam Questions and Answers 100% Pass
- Exam (elaborations) • 11 pages • 2024
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PA Emissions Inspector Certification Exam 
Questions and Answers 100% Pass 
Station Hotline - Answer- (888) 265-5909 
Customer Hotline - Answer- (800) 265-0921 
Sticker Department - Answer- (717) 705-2182 
An emissions inspector must meet what requirements? - Answer- Be at least 18 years 
of age 
Have a valid driver's license 
To deliver emissions waivers you must become a(n)... - Answer- emissions Certified 
Repair Technician (CRT) 
To become a CRT you must... - Answer- Have a valid driver's ...
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APES Ch. 14-25 exam The Definitive Document: Positively Evaluated and Expert-Endorsed 2024
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North American and Eurasian plates are moving apart from one another and creating the mid-atlantic ridge. This is an example of what type of plate boundary. 
Divergent 
 
 
 
Tectonic plates move slowly across the asthenosphere on 
convention currents 
 
 
 
Forms when pre-existing rock is subjected to high temperatures, pressure or chemicals 
Metamorphic 
 
 
 
Forms when existing rock is weathered and deposited as small grains 
Sandstone 
 
 
 
Forms when magma cools and hardens 
Igneous 
 
 
...
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APES UNIT 7 Question and answers correctly solved 2023/2024
- Exam (elaborations) • 5 pages • 2023
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APES UNIT 7 Question and answers correctly solved 2023/2024Identify the sources and effects of air pollutants. - correct answer 
 
Explain the causes and effects of photochemical smog and methods to reduce it. - correct answer Photochemical smog is formed when nitrogen oxides and volatile organic hydrocarbons react with heat and sunlight to produce a variety of pollutants. 
 
Describe thermal inversion and its relationship with pollution. - correct answer During a thermal inversion, the normal ...
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ENV -201|Environmental Science Milestone 4_Already Passed To Boost Your Grades 2024.
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ENV -201|Environmental Science Milestone 4_Already Passed To Boost Your Grades 2024.1 Which of the following statements about human impact on the environment is true? • Most environmental issues are separate issues and do not affect one another. • Pesticides and fertilizer use permanently destroy the soil. • Urban development is less damaging to the environment than agriculture. • All environmental issues are worsened by a growing population. CONCEPT Human Impacts & Solutions 2 Efforts t...
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