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“acid rain”
Rain, or other precipitation that has an excessive concentration of sulfuric or nitric acids; acidic rain; acidic precipitation: Acid rain is a popular term for the atmospheric deposition of acidified rain, snow, sleet, hail, acidifying gases and particles, as well as acidified fog and cloud water.
Any kind of precipitation or fog water having a pH less than 5.65 is termed to be acid rain.
Acid rain is the deposition of acidifying substances from the atmosphere during an event of precipitation.
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acid-, acidi-, acido-, -acidity
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-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)
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capit-, capt-, cap-, cep-, ceps-, chapt-, chef, cip-
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“acid rain”
acid rain
Also known as "acid precipitation" or "acid deposition", acid rain is precipitation containing harmful amounts of nitric and sulfuric acids formed primarily by sulfur dioxide and nitrogen oxides released into the atmosphere when fossil fuels are burned.
It can be wet precipitation (rain, snow, or fog) or dry precipitation (absorbed gaseous and particulate matter, aerosol particles or dust).
Acid rain has a pH below 5.6. Normal rain has a pH of about 5.6, which is slightly acidic. The term pH is a measure of acidity or alkalinity and ranges from 0 to 14.
A pH measurement of 7 is regarded as neutral. Measurements below 7 indicate increased acidity, while those above indicate increased alkalinity.
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Energy Sources and Related Information +
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acid rain
Wet acid deposition or the falling of rain (or snow) rich in sulfur and nitrogen oxides.
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Biology Terms +
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