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MT 6312 > UNIT X: AIR POLLUTION > Flashcards

UNIT X: AIR POLLUTION Flashcards

1
Q

The earth’s atmosphere is composed of 99%

A

nitrogen, oxygen, trace levels of carbon dioxide

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2
Q

Occurs in climate change wherein CO2 does not allow heat to escape through the atmosphere

A

Warming effect

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3
Q

0.001% is composed of

A

Non-reactive trace gasses (Group 8 - He, Ne, Ar, Kr, Xe)

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4
Q

The atmosphere is a _____________ mixture of
chemical species

A

disequilibrium

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5
Q

is the only mechanism that can account for O2 abundance in the atmosphere

A

Photosynthesis

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6
Q

T or F: Majority of oxygen comes from forests

A

F

Oceans

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7
Q

The biggest contributor of oxygen in the planet

A

Green algae

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8
Q

Regions of the atmosphere

A

Troposphere
Stratosphere
Mesosphere
Thermosphere

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9
Q

“The presence of contaminants or pollutant substances in the air that interfere with human health or welfare, or produce other harmful environmental e ects.” - US Environmental Protection Agency, 2007 in Vallero, 2008

A

Air pollution

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10
Q

“Any ___________ of the physical, chemical and biological properties of the atmospheric air, or any discharge thereto of any liquid, gaseous or solid substances that will or is likely to create or to render the air resources of the country harmful, detrimental, or injurious to public health, safety or welfare or which will adversely a ect their utilization for domestic, commercial, industrial, agricultural, recreational or other legitimate purposes” – ___________________

A

alteration; Philippine Clean Air Act of 1999

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11
Q

According to WHO, May 2018, ___ out of 10 people worldwide breathe polluted air

A

9

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12
Q

Annually, around ___ ________ deaths are due to exposure from both outdoor and household air pollution

A

7 Million

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13
Q

Air pollution is a _________ killer

A

silent/occult

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14
Q

Most impacted by air pollution

A

Children
Women
Outdoor Workers

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15
Q

Leading cause of death in children below 5 years old

A

Pneumonia

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16
Q

T or F: 20% of 7M deaths are due to stroke

A

T

17
Q

Annually, _____ M deaths of children <5yo are linked to the environment

A

1.7

18
Q

A person inhales approximately ________ of air per day

A

30 m^3

19
Q

Exposure to air pollutants is

A

continuous

exposure= frequency x intensity x duration

20
Q

is the most common chronic illness in children

A

Asthma

21
Q

Source of AP

A

Natural vs. Anthropogenic
Mobile vs. Stationary
Point vs. Fugitive vs. Area Sources

22
Q

T or F: Natural emissions of air pollutants exceed
human-produced emissions.

A

T

23
Q

primarily anthropogenic, industrial pollution (barely seen in nature)

A

Nitrogen dioxide

24
Q

air pollutant in volcanoes

A

sulfur oxides

25
Q

contains a lot of dissolved gasses, released once heated

A

Ocean

26
Q

emitted directly into the air

A

Primary Pollutants

27
Q

product of reactions between primary
pollutants and normal atmospheric compounds

A

Secondary Pollutants

28
Q

Ubiquitous / Omnipresent

A

Criteria Air Pollutants

29
Q

T or F: CAPs are not very toxic

A

T

30
Q

Responsible for most of our air pollution problems

A

Criteria Air Pollutants

31
Q

trapped in the lower troposphere as a result of the reactions between the air and these other pollutants

A

Photochemical oxidants

32
Q

Measure that would tell us whether the air is dangerous
for us

A

Air Quality Index

33
Q

Sources may be limited and industry specific

A

Hazardous Air Pollutants

34
Q

More toxic and even carcinogenic
~188 chemicals

A

Hazardous Air Pollutants

35
Q

linked with aplastic anemia

A

Benzene

36
Q

found in paint

A

Cadmium

37
Q

A major environmental health problem a ffecting everyone in developed and developing countries alike.

A

Outdoor Air Pollution

38
Q

T or F: Most sources of outdoor air pollution are well beyond the control of individuals and demand concerted action by local, national and regional level policy-makers working in sectors like transport, energy, waste management, urban planning, and agriculture. (WHO, 2016)

A

T

39
Q
A

MT 6312 (8 decks)

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