1. By
Salehe Sekandari

5. The percentage of oxygen in the
air has not been reduced
significantly with the advent of air
pollution.

9. industrial
emissions
Human
car exhaust
causes
Smoke from
Smok from
forest fire
forest fire
Dust storm
natural
phenomena
Hot spring
volcanoes

15. 1 2 3 4 5 6 7 8 9 10 +

20. 2.Air PollutionHas Negative
Effects on Heart Health:
air pollution can negatively affect
the ability of the heart with serious
.

21. 3.Air Pollution Raises Blood
Pressure:

22. The problems of air pollution is further
complicated by existence of inversion
layers.

23. An inversion layer is a layer of warmer
air over a cooler surface layer of air.
It results from:
1.Topographical character
2.Proximity to water

25. vitamins A and C benefited people who
were sensitive to air pollutants.

26. vitamins B6 and B12 help guard the
Heart from the impact of air pollution

27. Over three million premature deaths
each year are caused by air
pollution, according to the World
Health Organization (WHO).