If you have an aquarium with saltwater fish, 75 percent of your fish probably came from
A. Captive breeding programs in the United States
B. Captive breeding programs in Indonesia or the Philippines
C. Hybrid crosses of native U.S. fish
D. Aquaculture programs in South Pacific countries
E. Wild fish populations caught with cyanide or nets
Answer: E
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The conversion of formerly state-run businesses to private enterprise is called
A. deindustrialization B. cooptation C. privatization D. rationalization
The following diagram illustrates the Rock Cycle.
The diagram illustrates the Rock Cycle. Match the item below to step number 4 on the diagram.
A. Cementation and compaction (lithification) B. Heat and pressure C. Weathering, transportation, deposition D. Cooling and solidification E. Melting
Which of the following statements is NOT true with respect to dams and reservoirs?
A. stream discharge becomes fairly uniform, which harms aquatic ecosystems. B. sediment is trapped behind dams and slowly fills in reservoirs. C. dams are generally not effective at flood control and are mainly used to generate electricity. D. reservoirs serve as an important source of fresh water. E. water released from reservoirs is cooler than a natural stream, which harms aquatic ecosystems.
Which of the following marine resources is used to make wallboard or sheet rock?
A) Evaporative salts B) Manganese nodules C) Phosphorite D) Sand and gravel E) Sediments rich in tin