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    Air pollution poses a major threat to health around the world. The combined effects of ambient outdoors and indoors causes many health problems every year such as premature death, increase mortality from stroke, heart disease, lung cancer and acute respiratory infections. Moreover, health issues caused by air pollution can affect not only in grown-ups, but also the young. However, children do not have...

Also known as HCHO, formaldehyde is a chemical that compounds hydrogen, oxygen, and carbon. It can be found in all living things. This chemical can be irritant in skin, eyes, nose and throat. However, it is an extensive regulated material, governments regulations implement standards to protect human health and the environment. This chemical is used to a wide range of valued- added products. Formaldehyde...

  Aerosol refers to a suspension system that consists of fine solid particles or liquid droplets in a gas medium. It can be natural or anthropogenic. Natural aerosols are fog, mist, dust, forest exudates, etc., while anthropogenic aerosols are particulate air pollutants, smoke from fuel combustion and unburned fuel in furnaces, engines that used in heavy industries and vehicles.   The solid or liquid...