Oceans
As much as 80% of marine debris comes from what source?
More Questions from Oceans
What special sense do some whales and dolphins use to hear underwater?
Reveal Answer
Which species of shark was the first to be protected by being put on the Threatened Species List?
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What is a natural or manmade earthen barrier along the edge of a stream, lake, or river called?
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What percentage of our oxygen supply is generated in the ocean?
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