Natural Elements in Sea Water
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Questions and Answers

Sea water contains ____ of natural occurring elements on earth.

  • A few
  • A half
  • All (correct)
  • most
  • The pycnocline is a rapid change in ___ with depth in ocean.

  • Density (correct)
  • Temperature
  • Salinity
  • Biomass
  • What happens when fresh water flows into sea water?

  • Sea water covers the fresh water
  • Fresh water covers the sea water (correct)
  • Both waters mix fine
  • They seperate
  • ____ refers to mass of all living organisms on earth.

    <p>Biomass</p> Signup and view all the answers

    Feeding stages in the food chain are known as ___ levels.

    <p>Trophic</p> Signup and view all the answers

    A Poleward- moving ocean current is___.

    <p>Warm</p> Signup and view all the answers

    Right angled tide moving slanted is called ___,

    <p>Longshore</p> Signup and view all the answers

    When caves on the opposite sides of a Headland unite, a(n) ____ result.

    <p>Sea arch</p> Signup and view all the answers

    As a fluid (air or water) moves towards an area of lower pressure in the northern hemisphere the Coriolis effect results in ____ circulation.

    <p>Clock wise</p> Signup and view all the answers

    Neap tide occur about the time of ___ phase of the moon.

    <p>First quarter</p> Signup and view all the answers

    Study Notes

    Ocean Composition

    • Sea water contains most of the natural occurring elements on earth.

    Ocean Layers

    • The pycnocline is a rapid change in density with depth in the ocean.

    Salinity

    • When fresh water flows into seawater, salinity decreases.

    Biosphere

    • Biosphere refers to the mass of all living organisms on earth.

    Food Chain

    • Feeding stages in the food chain are known as trophic levels

    Ocean Currents

    • A poleward-moving ocean current is cold.

    Tides

    • A right-angled tide moving slanted is called a spring tide.
    • Neap tides occur about the time of the quarter phase of the moon.

    Coastal Features

    • When caves on the opposite sides of a headland unite, an arch results.

    Coriolis Effect

    • As a fluid (air or water) moves towards an area of lower pressure in the northern hemisphere, the Coriolis effect results in clockwise circulation.

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    Description

    This quiz explores the various natural elements found in sea water. Understand how these elements play a vital role in marine ecosystems and their significance in the Earth's overall composition. Test your knowledge on the topic and discover fascinating facts about ocean chemistry.

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