Oceans

Which underwater machine helps humans travel around beneath the surface of the ocean?

More Questions from Oceans
Which of the following is the smallest of the baleen whale species?
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Which of the following has the largest head of any animal?
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A whale's blubber serves as what purpose to the life and development of the mammal?
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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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The abyssal zone begins at what depth?
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A large collection of islands in the ocean is called what of these?
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What animal starts out life as a tadpole?
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How many collapsible lifeboats did the Titanic carry?
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