Labels:book | car | dog | lepton | person | plant | poster | sky | truck | windowpane OCR: Ultraviolet-A gets through the atmosphere and makes pollution worse The more dangerous UV-B and UV-c are stopped by the ozone layer Ultraviolet-A Ultraviolet-C Ultraviolet-B Ozone layer Sulphur Acid rain dioxide Unburnt Nitrogen hvdroca rbons oxides Imakes Sulphu
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