Oceans
As much as 80% of marine debris comes from what source?
More Questions from Oceans
About how many million tons of salt are obtained from the ocean each year?
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Which river represents almost 20% of the world's freshwater discharge into the oceans?
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What ocean did the Pilgrims sail across to reach North America?
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Which of these is the largest of the world's oceans?
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The average beluga whale grows to be about how many feet in length as an adult?
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