29. Fish resources are diminishing because .
A) no new substitutes can be found in large quantities
B) they are not owned by any particular entity
C) improper methods of fishing have ruined the fishing grounds
D) water pollution is extremely serious
30. The primary solution to environmental problems is .
A) to allow market forces to operate properly B) to curb consumption of natural resources
C) to limit the growth of the world population D) to avoid fluctuations in prices
26.A 27.C 28.D 29.B 30.A
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