A. noxiousB. demandsC. in the futureD. intensifiedPhrases:A. agriculture will have to be 1B. Water problems 2will become more intense and more complexC. On the other hand, increasing 3for water will decrease substantially the amount of water available for diluting wastesD. and many of these will contain chemicals which are 4 5. Our increasing population will tremendously increase urban wastes, primarily sewage. 6 Rapidly expanding industries which involve more and more complex chemical processes will produce larger volumes of liquid wastes, 7 To feed our rapidly expanding population , 8 This will involve ever-increasing quantities of agricultural chemicals.