Ch 17 Review MCs
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What allocates resources? | supply and demand
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| What is considered to be the world's most important marine product? | algin
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| What tools do fishermen now employ to locate schools of fish? | satellite sensors, aerial photography, scouting vessels, and sonar
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| How is freshwater obtained as a marine resource? | desalination
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| What is the fastest-growing mariculture production? | shrimp
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| Why does oil seep to the surface from its source rock? | it is less dense than the surrounding sediments
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| What marine resource has been rendered uneconomical due to the cost of excavation? | manganese nodules
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| Why is the extraction of wind so effective over or near the ocean? | less stuff to get in the way; more steady
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| What is the petroleum found in marine sediments likely to have been formed from? | plankton
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| How much of the world's table salt is produced by the evaporation of seawater? | 1/3
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| Geologists use _______ to view sediment layers, depth, and possible reservoir structures. | sound reflected off subsurface structures
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| What is the second most valuable marine resource? | sand and gravel
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| In theory, what are free-market economies based upon? | pure competition
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| What is the fastest-growing energy alternative to oil? | wind power
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| What legislative policy reduced the number of dolphin deaths associated with tuna fishing? | U.S. Marine Mammals Protection Act
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| How much of the world's crude oil is found on the seafloor? | 35%
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| When did the harvesting of commercial whale species cease? | 1987, when it became uneconomical
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| What did the United States Exclusive Economic Zone exclude from the original 1982 United Nations Treaty? | provision of shared high seas resources
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| Which United States location contributes to most of the exploitable sand? | Alaska
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| What is the main species of whale targeted by the Japanese and Norwegian whalers? | minke
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| What is not true of territorial waters? | bullets on separate paper
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| What kind of resource is waste disposal? | a nonextracted resource
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| What type of net has been particulary disruptive in the mistargeting of species? | drift net
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| What was first created in an effort to claim the continental shelf as belonging to the nation it was attached to? | Law of the Sea
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| What is the largest known reservoir of hydrocarbons on Earth? | methane-laced ice crystals or methane hydrate
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| What is bycatch? | animals that are unintentionally killed
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| Who is responsible for the consumption of approximately a quarter of the global oil supply? | United States
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| How much of the fish stocks are considered to be overfished? | 65%
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| Why is methane hydrate not harvested for energy use? | it is expensive, dangerous, and disappears very fast
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| When a resource is present in a fixed amount, it is said to be: | nonrenewable
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Koolia101