Oceans

The abyssal zone begins at what depth?

More Questions from Oceans
What is the third largest ocean in the world?
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About how many million tons of salt are obtained from the ocean each year?
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The Bermuda Triangle is also known by what name?
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The pool at the foot of a small water-fall in a river is called what?
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Where does the female marine catfish lay her eggs?
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Humpback whales use which of the following to trap krill, plankton, and or small fish like herring, mackerel, capelin and sand eel?
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What animal starts out life as a tadpole?
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What is a tropical cyclone formed in the Pacific Ocean called?
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