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en.wikipedia.org/wiki/Acid_rain

Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions (low pH). It can have harmful effects on plants, aquatic animals and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which ...

www3.epa.gov/acidrain/education/site_students/whatcauses.html

Sources of Acid Rain Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air .

www.epa.gov/acidrain/what-acid-rain

Mar 1, 2017 ... Acid rain, or acid deposition, is a broad term that includes any form of ... The sulfuric and nitric acids formed in the atmosphere fall to the ground ...

www2.gsu.edu/~mstnrhx/EnviroBio%20Projects/AcidRain/causes.html

The main chemicals in air pollution that create acid rain are sulfur dioxide ... The following are the stoichiometric equations for the formation of sulphuric acid ...

www.china.org.cn/english/environment/222893.htm

Acid rain is caused by the release of the gases SO2 (sulphur dioxide) and NOX ( nitrous oxides). The main sources of NOX emissions are vehicles and fuel ...

www.nationalgeographic.com/environment/global-warming/acid-rain

A virtual tree-graveyard of Norway spruce trees in Poland bears the scars of acid rain. Caused when rain droplets absorb air pollution like sulfur and nitrogen ...

www.chemistry.wustl.edu/~edudev/LabTutorials/Water/FreshWater/acidrain.html

Unfortunately, human industrial activity produces additional acid-forming compounds in far greater quantities than the natural sources of acidity described above ...

socratic.org/questions/how-does-acid-rain-form

Dec 20, 2015 ... Nitrogen oxides can be produced naturally by lightening strikes and sulfur dioxides is formed when volcanoes explode, but acid rain can also ...

nsb.wikidot.com/c-9-3-2-10

Oct 7, 2011 ... Introduction. Rain is naturally acidic due to the dissolution of carbon dioxide forming weak carbonic acid. Acid rain refers to rain that has a ...