J Julie New member Nov 6, 2009 #1 (a) Toxic waste in rivers and lakes. (b) Increased carbon dioxide in the atmosphere (c) Increased production of sulfur dioxide in the atmosphere. (d) Increased use of chlorofluorocarbons
(a) Toxic waste in rivers and lakes. (b) Increased carbon dioxide in the atmosphere (c) Increased production of sulfur dioxide in the atmosphere. (d) Increased use of chlorofluorocarbons
E earnest dubois New member Nov 6, 2009 #2 e) Misuse of antibiotics which could cause the evolution of resistant bacteria that could wipe out millions of people, or all of them!
e) Misuse of antibiotics which could cause the evolution of resistant bacteria that could wipe out millions of people, or all of them!
