acid rain
US /ˈæs.ɪd ˌreɪn/
UK /ˈæs.ɪd ˌreɪn/
1.
lluvia ácida
rain that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions (low pH). It is caused by emissions of sulfur dioxide and nitrogen oxide which react with water molecules in the atmosphere to produce acids.
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The factory's emissions are contributing to acid rain in the region.
Las emisiones de la fábrica están contribuyendo a la lluvia ácida en la región.
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Acid rain can damage forests and aquatic ecosystems.
La lluvia ácida puede dañar bosques y ecosistemas acuáticos.