. . "?? ??? prospect ??????, ?????? ??? ??? ??? proslavery ?????????????????????, in support of slavery ??? ??? ??? syn-, sym- together, same ??????, ?????? ??? ??? ??? synonym ????????? ??? ??? ??? photosynthesis ????????????, process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches ??? ?" . . . .