| http://www.w3.org/ns/prov#value | - These patterns, combined with temperature variation, help explain why biomes tend to be arrayed in latitudinal bands. ??? ??? ??? Outdoor Air Pollution :Natural sources can pollute. air pollutants, air pollution ??? ??? ??? def. air pollutants are gases and particulate material added to the atmosphere that can affect climate or harm people or other organisms. ??? ??? ??? def. air pollution refers
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