air pollution
TRANSCRIPT
![Page 1: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/1.jpg)
In the name of GODBy
Salehe Sekandari
![Page 2: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/2.jpg)
Air pollution
![Page 3: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/3.jpg)
Air is the most immediately vital resource.
![Page 4: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/4.jpg)
Pure air
78% Nitrogen
21% Oxygen
Less than 1% Argon
0.03% Carbon dioxide
Water vapor
Other gases
![Page 5: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/5.jpg)
The percentage of oxygen in the air has not been reduced significantly with the advent
of air pollution.
![Page 6: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/6.jpg)
For many years people have been
treating the atmosphere as a
sewer
,exhausting different kinds of waste
products into it.
![Page 7: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/7.jpg)
Air pollution is the introduction of hazardous materials into the
atmosphere as the result of mans‘ activities.
![Page 8: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/8.jpg)
pollutants in the air are mostly a result of: 1. human activities 2. natural phenomena
![Page 9: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/9.jpg)
natural phenome
na
Smok from
forest fire
Dust storm
Hot spring
volcanoes
Human causes
industrial emissions
car exhaust
Smoke from
forest fire
![Page 10: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/10.jpg)
Air pollution from World War II production
![Page 11: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/11.jpg)
Smoke from forest fire
![Page 12: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/12.jpg)
Dust storm approaching Stratford, Texas
![Page 13: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/13.jpg)
Hot spring
![Page 14: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/14.jpg)
volcanoes
![Page 15: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/15.jpg)
We use a number from 1 to 10to indicate the level of local air quality.
1 2 3 4 5 6 7 8 9 10 +
![Page 16: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/16.jpg)
Risk: Low (1 - 3) Moderate (4 - 6) High (7-10) Very high (+ 10)
![Page 17: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/17.jpg)
four major air pollutants:
1. ozone
2. nitrogen dioxide (NO2)
3. sulphur dioxide (SO2)
4. Carbon monoxide (CO)
![Page 18: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/18.jpg)
Some bad effects of air pollution on human
being:
![Page 19: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/19.jpg)
1.Air pollution causes harmful physical changes in
the brain:
these changes are associated with
learning and memory problems and even depression.
![Page 20: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/20.jpg)
2.Air Pollution Has Negative Effects on Heart Health:
air pollution can negatively affect the ability of the heart with serious
coronary artery disease .
![Page 21: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/21.jpg)
3.Air Pollution Raises Blood Pressure:
![Page 22: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/22.jpg)
The problems of air pollution is further complicated by existence
of inversion layers.
![Page 23: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/23.jpg)
An inversion layer is a layer of warmer air over a cooler surface layer of air.
It results from:
1.Topographical character2.Proximity to water
![Page 24: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/24.jpg)
specific vitamins may help protect your health from the
effects of bad air:
![Page 25: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/25.jpg)
vitamins A and C benefited people who
were sensitive to air pollutants.
![Page 26: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/26.jpg)
vitamins B6 and B12 help guard the Heart from the impact of air pollution
![Page 27: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/27.jpg)
Over three million premature deaths
each year are caused by air pollution, according to the
World Health Organization (WHO).
![Page 28: Air pollution](https://reader034.vdocument.in/reader034/viewer/2022052316/558fc05e1a28abe1668b45a0/html5/thumbnails/28.jpg)
Thanks for your
attention!