Oceans
A low-oxygen area of the ocean is often referred to as what?
More Questions from Oceans
Which underwater machine helps humans travel around beneath the surface of the ocean?
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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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What is the term for the Earth's crust where it underlies oceans?
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What is the funnel-shaped opening beneath an octopus's head that secretes a black fluid when threatened?
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Which is a long, skinny fish with a large snout and a head shaped like a triangle?
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Green sea turtles can stay underwater for up to how many hours?
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