In 1992, the Canadian government ________
A) gave subsidies to fishermen who were losing money owing to low fish harvests
B) enacted laws to protect many species of whales
C) started harvesting manganese nodules from the ocean floor
D) ordered a ban on cod fishing
E) banned the use of trawl fishing
Answer: D
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The reason the Moon does not crash into Earth is that
A) Earth's gravitational field is weak at the Moon. B) the gravitational pull of other planets keeps the Moon up. C) the Moon has a sufficient tangential speed. D) the Moon has less mass than Earth. E) none of the above
Which of the following compounds is most soluble in water?
A) 1-pentanol B) propane C) 1-propanol D) trans-2-butene
Agricultural runoff would be increased if farmers ____.
A. used slow-release fertilizers B. kept cropland covered with vegetation C. planted buffer zones between cultivated lands and water D. used no fertilizer on steeply sloped land E. expanded the use of animal feedlots
Dog breeds are a classic example of artificial selection. Which of the following is another example of artificial selection?
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