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Oceans
What instrument uses sound waves to help get a picture of the ocean's bottom?
Oceans
What instrument uses sound waves to help get a picture of the ocean's bottom?
Seismographs
Sonar
Whale Song
Dolphin Clicks
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How many of the chimneys on the Titanic were used for the boilers?
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About how many million tons of salt are obtained from the ocean each year?
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How many countries were affected by the 2004 Indian Ocean tsunami?
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The world's largest hypoxic "dead zone" is located in what body of water?
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In what year did the Deep Sea Drilling Project begin?
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The Irrawaddy dolphin is similar to which whale in appearance?
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The Bering Strait is named for what Danish-born explorer?
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What fraction of the Earth do oceans cover?
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