Assess the value of water as a resource.
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Compare specific sources of potable water (e.g., wells, public systems, rivers) used by people in Pennsylvania.
Identify the components of a municipal/agricultural water supply system and a wastewater treatment system.
Relate aquatic life to water conditions (e.g., turbidity, temperature, salinity, dissolved oxygen, nitrogen levels, pressure).
Compare commercially important aquatic species in or near Pennsylvania.
Identify economic resources found in marine areas.