Oceans
What is a natural or manmade earthen barrier along the edge of a stream, lake, or river called?
More Questions from Oceans
What type of cnidarian makes up an underwater reef?
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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 a smaller river or stream that flows into a larger river or stream?
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Coral reef means what as it relates to the environment?
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Pufferfish and boxfish are deadly to humans because of the presence of what poison in their skin and organs?
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Coral reefs can only survive between which of these temperatures in degrees Celsius?
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What role does a skimmer play in cleaning up ocean pollution?
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