UNIT X: AIR POLLUTION

Question 1

The earth’s atmosphere is composed of 99%

Answer 1

nitrogen, oxygen, trace levels of carbon dioxide

Question 2

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

Answer 2

Warming effect

Question 3

0.001% is composed of

Answer 3

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

Question 4

The atmosphere is a _____________ mixture of
chemical species

Answer 4

disequilibrium

Question 5

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

Answer 5

Photosynthesis

Question 6

T or F: Majority of oxygen comes from forests

Answer 6

F

Oceans

Question 7

The biggest contributor of oxygen in the planet

Answer 7

Green algae

Question 8

Regions of the atmosphere

Answer 8

Troposphere
Stratosphere
Mesosphere
Thermosphere

Question 9

“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

Answer 9

Air pollution

Question 10

“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” – ___________________

Answer 10

alteration; Philippine Clean Air Act of 1999

Question 11

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

Answer 11

9

Question 12

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

Answer 12

7 Million

Question 13

Air pollution is a _________ killer

Answer 13

silent/occult

Question 14

Most impacted by air pollution

Answer 14

Children
Women
Outdoor Workers

Question 15

Leading cause of death in children below 5 years old

Answer 15

Pneumonia

Question 16

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

Answer 16

T

Question 17

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

Answer 17

1.7

Question 18

A person inhales approximately ________ of air per day

Answer 18

30 m^3

Question 19

Exposure to air pollutants is

Answer 19

continuous

exposure= frequency x intensity x duration

Question 20

is the most common chronic illness in children

Answer 20

Asthma

Question 21

Source of AP

Answer 21

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

Question 22

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

Answer 22

T

Question 23

primarily anthropogenic, industrial pollution (barely seen in nature)

Answer 23

Nitrogen dioxide

Question 24

air pollutant in volcanoes

Answer 24

sulfur oxides

Question 25

contains a lot of dissolved gasses, released once heated

Answer 25

Ocean

Question 26

emitted directly into the air

Answer 26

Primary Pollutants

Question 27

product of reactions between primary pollutants and normal atmospheric compounds

Answer 27

Secondary Pollutants

Question 28

Ubiquitous / Omnipresent

Answer 28

Criteria Air Pollutants

Question 29

T or F: CAPs are not very toxic

Answer 29

T

Question 30

Responsible for most of our air pollution problems

Answer 30

Criteria Air Pollutants

Question 31

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

Answer 31

Photochemical oxidants

Question 32

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

Answer 32

Air Quality Index

Question 33

Sources may be limited and industry specific

Answer 33

Hazardous Air Pollutants

Question 34

More toxic and even carcinogenic ~188 chemicals

Answer 34

Hazardous Air Pollutants

Question 35

linked with aplastic anemia

Answer 35

Benzene

Question 36

found in paint

Answer 36

Cadmium

Question 37

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

Answer 37

Outdoor Air Pollution

Question 38

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)

Answer 38

T