Oceans

The hadal zone begins at what depth?

More Questions from Oceans
What is the distance over water in which waves are generated by a wind having a rather constant direction and speed?
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Giant kelp can grow up to which length per year?
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The average adult blue whale's heart weighs approximately how many pounds?
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Where does the female marine catfish lay her eggs?
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Besides Greenland, what is the largest island in the Atlantic Ocean?
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Which of these is considered the world's smallest fish?
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Which family of fish do largemouth bass belong to?
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Which of the following is not a nickname for the beluga whale?
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