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which type of pollution includes cfcs and smog
Ozone - Wikipedia
Ozone (/ ˈ oʊ z oʊ n /), or trioxygen, is an inorganic molecule with the chemical formula O 3.It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O 2, breaking down in the lower atmosphere to O 2 ().Ozone is formed from dioxygen by the action of ultraviolet (UV) light and electrical discharges within the ...
Help Finding Information | US EPA
19/1/2017 · Use our advanced search page; Browse our curated A-Z index of terms and topics or see our automated list of website topics; Search frequently asked questions or submit a question; Go to the EPA home page
What Causes The Hole In The Ozone Layer? - Dummies
26/3/2016 · Air pollution has the ability to affect the earth’s entire ecosystem, as environmental scientists realized when they found direct links between ozone layer destruction and manmade pollutants called CFCs. To understand the ozone layer, you need to be familiar with the atmosphere as a whole.
Ozone Depletion - Wikipedia
Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere, and a much larger springtime decrease in stratospheric ozone (the ozone layer) around Earth's polar regions. The latter phenomenon is referred to as the ozone hole. There are also springtime polar …
(PDF) Air-Conditioning And Refrigeration. Mechanical Engineering ...
Air-conditioning is a process that simultaneously conditions air; distributes it combined with the outdoor air to the conditioned space; and at the same time controls and maintains the required space's temperature, humidity, air movement, air cleanliness, sound level, and pressure differential within predetermined limits for the health and comfort of the occupants, for product …
Pollution - Wikipedia
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
Air Pollution Questions - Practice Questions Of Air Pollution
Smog is a form of air pollution that makes it difficult to see. Smog is a combination (portmanteau) of smoke and fog that refers to smoky fog due to its opacity and odour. It was originally coined in the twentieth century. Nitrogen oxides, sulphur oxides, ozone, smoke, and other particles make up this type of visual air pollution.
(PDF) Air Pollution - ResearchGate
15/3/2015 · (PCBs), and many pesticides, and GHGs, eg, chlorofluorocar bons (CFCs) ... arguably the most important type of stress in air pollution engineering, ... The lis t includes many more than 189 chemical.
Project Report On Air Pollution
Project Report # 4. Major Air Pollutants that Affects Environment: Some of the major air pollutants that pollutes the environment are: i. Sulphur Dioxide (SO 2): . Sulphur dioxide (SO 2) is a colourless gas with a pungent, suffocating odour.SO 2 is corrosive to organic materials and it irritates the eyes, nose and lungs; therefore it is quite dangerous air pollutants.
The Effects Of Human Activities On Environment – Explained!
Release of CFCs in the atmosphere would enhance the global warming problem. Asbestos, which has been quite in use in buildings is now known to be very harmful for our health and not recommended now. iv. The indoor air pollution is a major source of public exposure to air pollutants having potential to cause chronic health problems.
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