Oceans
The killer whale belongs to which one of these mammal families?
More Questions from Oceans
What percentage of Earth's volcanic activity occurs on the ocean floor?
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In what year did the International Whaling Commission declare blue whales to be a protected species because of a huge decrease in their population?
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As much as 80% of marine debris comes from what source?
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Dissolved salt makes up what percentage of ocean water?
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The Arctic Ocean is in which direction from North America?
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