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Acid rain is rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions (low pH).Most water, including drinking water, has a neutral pH that exists between 6.5 and 8.5, but acid rain has a pH level lower than this and ranges from 4–5 on average.
Diagram depicting the sources and cycles of acid rain precipitation. Freshwater acidification occurs when acidic inputs enter a body of fresh water through the weathering of rocks, invasion of acidifying gas (e.g. carbon dioxide), or by the reduction of acid anions, like sulfate and nitrate within a lake, pond, or reservoir. [1]
Robert Angus Smith FRS (15 February 1817 – 12 May 1884) was a Scottish chemist, who investigated numerous environmental issues.He is known for his research on air pollution in 1852, in the course of which he discovered what came to be known as acid rain.
The inorganic cycle begins with the production of carbonic acid (H 2 CO 3) from rainwater and gaseous carbon dioxide. [6] Due to this process, normal rain has a pH of around 5.6. [ 7 ] Carbonic acid is a weak acid , but over long timescales, it can dissolve silicate rocks (as well as carbonate rocks).
What does a 30% chance of rain actually mean? Don't overthink it, meteorologists say. The question was sparked by a viral video that has received millions of views, originating on TikTok by user ...
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Sophie Rain may be the reigning queen of one of the most famous adult content sites—pulling in a staggering $43 million in a single year—but there is far more to her story than what meets the eye.
Partisan gaps also exist in many countries, [411] and countries with high CO 2 emissions tend to be less concerned. [412] Views on causes of climate change vary widely between countries. [ 413 ] Concern has increased over time, [ 414 ] and a majority of citizens in many countries now express a high level of worry about climate change, or view ...