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Freshwater Ecosystem Challenges Quiz
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Freshwater Ecosystem Challenges Quiz

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@ThrillingMoonstone

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Questions and Answers

Why are freshwater bodies generally more affected by climatic conditions compared to oceans?

  • Due to their smaller volume and isolation (correct)
  • Because they have a higher salt content
  • Because they are less prone to temperature fluctuations
  • Due to their larger surface area

    • What is a key reason for the greater susceptibility of freshwater bodies to fluctuations?

  • Smaller volume and isolation (correct)
  • Lower oxygen levels
  • Higher salinity content
  • Deeper depth

    • Why do freshwater bodies experience greater fluctuations in dissolved gases and chemical composition compared to oceans?

  • Deeper depth
  • Lower oxygen levels
  • Higher salt content
  • Smaller volume and isolation (correct)

    • What causes the formation of a narrow channel or brook downhill when rainwater overflows in depressions?

    <p>Erosion of the depressions</p> Signup and view all the answers

    What contributes to the permanence of a stream as it becomes cut below the level of groundwater?

    <p>Continuous feeding with seepage water</p> Signup and view all the answers

    What distinguishes a young river from an older one?

    <p>Narrow channel and steep sides</p> Signup and view all the answers

    What is the usual classification for streams less than 3 meters wide?

    <p>Brooks or creeks</p> Signup and view all the answers

    What contributes to the gradual obliteration of depressions in the course of a river?

    <p>Continuous filling up and erosion of outlets</p> Signup and view all the answers

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