Crossword clues for Do one of the three R's 4 lettersAnswerClueINITOne of three for J. R. R. Tolkien: Abbr.READDo one of the three R'sREUSEOne of the three R's for an environmentalistREDUCEOne of the three R's of environmentalismRITHMETICOne of the three R's.READINGOne of the three R's.RDGOne of the three R'sRECYCLEOne of the three R's of eco-friendlinessREUSEOne of the three R's of environmentalismRECYCLEOne of the three green R'sREUSEOne of the three "green" R'sREUSEOne of the environmental Three R'sREUSESPractices one of the environmental three R'sREUSEOne of the eco-friendly three R's