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lluvia ácida
Abnormally acidic (low pH) precipitation (or dry deposition) resulting from emissions of sulfur and nitrogen compounds that transform during chemical processes in the atmosphere. Acid deposition can affect the chemistry of soils and acidify lakes, adversely affecting forests and fish. It does not adversely affect cropland. The Clean Air Act includes a program focused on controlling precursor emissions of acid deposition - primarily sulfur oxides from coal-fired electric utilities.
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cerebelo
La porción del cerebro en la parte posterior de la cabeza, entre el cerebro y el tronco cefálico.