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| Description: - High concentrations of pollutants in a small area (usually due to anthropogenic sources) are the biggest air pollution problems. - The horizontal and vertical transport of air pollutants by winds help control the local concentrations of pollutants. Picture Stats: Views: 301 Filesize: 46.83kB Height: 336 Width: 1111 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=31064 |