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Questions and Answers
Which factor contributes to the rich animal life in polar waters?
Which factor contributes to the rich animal life in polar waters?
- Cold water density
- Hot water density
- Low O2 content
- High O2 content (correct)
What happens to the cold water in winter as it cools on top?
What happens to the cold water in winter as it cools on top?
- It evaporates
- It remains at the same level
- It rises to the surface
- It sinks to the bottom (correct)
What causes the formation of thermoclines in the water?
What causes the formation of thermoclines in the water?
- Cold water density
- High O2 content
- Hot water density (correct)
- Low O2 content
What happens to the oxygen content in the deep water over time?
What happens to the oxygen content in the deep water over time?
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What is the association between the ending of the thermocline and the smell of the water?
What is the association between the ending of the thermocline and the smell of the water?
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