What legislative policy or governing body reduced the number of dolphin deaths associated with tuna
fishing?
a. The creation of the International Whaling Commission
b. The creation of National Marine Fisheries Service
c. The passing of the Marine Mammal Protection Act in the United States
d. The creation of a United Nations commission
ANS: C
The Marine Mammal Protection Act was passed in 1972. It was a policy that protected not only marine
mammals, but also their food and habitat. Prior to this policy, over 6 million dolphins were needlessly
killed as bycatch when hunting tuna. Information can be found in the section Biological Resources
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The Klamath River agreement
A. provides a water diversion project for the city of Los Angeles. B. is a less-used strategy to help regulate water diversion for local farmers. C. is an agreement to remove dams to save migrating salmon populations. D. provides for the increase in value of water rights for fish and aquatic organisms. E. forces conservation measures on domestic use of water by local residents.
Stream terraces represent
A. cutoff meanders of a meandering stream. B. older floodplains of a river that has incised downward. C. areas where sea level has risen and waves beveled across the coast. D. None of these choices are correct.
A beekeeper decides to locate her business on a plot of land that is between an apple orchard and an elementary school. A positive externality that can result is
A. the cost of the bee hives to the beekeeper. B. the possibility of the bees stinging the students at the school. C. the bees helping to pollinate the orchard, leading to more fruit. D. the honey the bees produce.
If line 1 and 2 are the same length, which has a higher pressure gradient?
a. 2 b. They have the same pressure gradient. c. 1