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Acid rain (Science Dictionary)

Acid rain: Rain which is unusually acidic (pH of less than the natural range of 5 to 6), caused mainly by atmospheric pollution with sulphur dioxide and nitrogen compounds.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
_ខាងក្រោមនេះជាសៀវភៅនិងឯកសារសម្រាប់ការងារនិងរៀនគ្រប់ប្រភេទ៖
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