What are the three ingredients of smog?

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What are the three ingredients of smog?

Smog, formed mainly above urban centres, is composed mainly of tropospheric ozone (O3); primary particulate matter such as pollen and dust; and secondary particulate matter such as sulphur oxides, volatile organic compounds, nitrogen oxides (NOx) and ammonia gas.

What is smog made up of?

What words make up smog?

The word smog is a combination of smoke and fog.

What is smog one word?

: a fog made heavier and darker by smoke and chemical fumes also : a photochemical haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen especially from automobile exhaust.

What is smog explain?

Smog is air pollution that reduces visibility. The term “smog” was first used in the early 1900s to describe a mix of smoke and fog. The smoke usually came from burning coal. When sunlight hits these chemicals, they form airborne particles and ground-level ozone—or smog. Ozone can be helpful or harmful.

How does smog contribute to global warming?

The new study concludes that black carbon, the soot particles in smoke and smog, contributes about twice as much to global warming as previously estimated, even by the 2007 Intergovernmental Panel on Climate Change. Dark particles in the air work to shade the Earth’s surface while warming the atmosphere.

What are some areas where smog is bad?

Top 10 worst cities for smog

  • Beijing, China. The Chinese capital has been suffering again from smog this winter with residents forced to wear masks outdoors.
  • Ahwaz, Iran.
  • Ulan Bator, Mongolia.
  • Lahore, Pakistan.
  • New Delhi, India.
  • Riyadh, Saudi Arabia.
  • Cairo, Egypt.
  • Dhaka, Bangladesh.

What is the nastiest water?

Top 5 Worst Bottled Water

  • Aquafina (Pepsi admits Aquafina comes from tap water)
  • Nestle Pure Life (this company tries hard to promote its water, but there are still issues)
  • Dasani (bottled tap water by Coca Cola)
  • SmartWater (one of the most expensive brands, it uses 48% more plastic than its competitors)