Compléter Acid RainVersion en ligne Fill in the gaps with the proper prepositions. (English Language exercise.) par Peter Feher 1 in for by in in by on of of in Acid rain is rain that has been made acidic certain pollutants the air . Acid rain is a type acid deposition , which can appear many forms . Wet deposition is rain , sleet , snow , or fog that has become more acidic than normal . Dry deposition is another form acid deposition , and this is when gases and dust particles become acidic . Both wet and dry deposition can be carried the wind , sometimes very long distances . Acid deposition in wet and dry forms falls buildings , cars , and trees and can make lakes acidic . Acid deposition dry form can be inhaled by people and can cause health problems some people .
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