Science

9th -

12thgrade

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Tidal Zones and Estuaries

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29 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Coastal plain estuaries were formed when...

    Sand bars developed along the coast as a result of an accumulation of sediment

    The ocean invaded lowlands and river mouths

    Retreating glaciers cut a valley along the coast

    The sea level fell during glaciation

  • 2. Multiple Choice
    30 seconds
    1 pt

    In an estuary, the salinity of the water generally increases as:

    Depth increases

    One moves inland

    Depth decreases

    Evaporation Decreases

  • 3. Multiple Choice
    30 seconds
    1 pt

    The most common type of substrate in estuaries:

    Mud

    Rock

    Coarse Sand

    Fine Sand

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