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PRINT REFERENCES USED: ANDREWS, WILLIAM. INVESTIGATING AQUATIC ECOSYSTEMS. PRENTICE-HALL CANADA, 1987. ANDREWS, WOLFE, EIX. PHYSICAL SCIENCE AN INTRODUCTORY STUDY. PRENTICE-HALL OF CANADA, LTD., 1978. ANDREWS, WOLFE, MOORE. DISCOVERING PHYSICAL SCIENCE. PRENTICE-HALL CANADA INC., 1982. CANDIDO, JACK, ET AL. HEATH SCIENCE CONNECTIONS 10. D.C. HEATH CANADA, 1988. CARLE, SARQUIS, AND NOLAN. PHYSICAL SCIENCE THE CHALLENGE OF DISCOVERY. D.C. HEATH CANADA, 1991. DONOVAN, POOLE, AND YORK. CHEMICALS IN ACTION. HOLT, RINEHART AND WINSTON OF CANADA, LIMITED, 1987. HAMILTON, WHITNEY, AND SIZER. NUTRITION CONCEPTS AND CONTROVERSIES. WEST PUBLISHING COMPANY, 1991. HEALTH AND WELFARE CANADA. FOOD ADDITIVES IN ACTION: A RESOURCE GUIDE. MINISTER OF NATIONAL HEALTH AND WELFARE, 1982. MILANI, JEAN P. BIOLOGICAL SCIENCE AN ECOLOGICAL APPROACH. KENDALL/HUNT PUBLISHING COMPANY, 1992. RITTER, BOB, ET AL. SCIENCE 10. NELSON THOMSON LEARNING, 2001. |