Topic VI. Water

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Area on earth where ground water orginates

Pollution discharged from a single source

Fresh water found above ground in lakes

Process in which salt is removed from water

Introduction of foreign substances into water that degrade it's quality

Introduction of inorganic plant nutrients into a body of water

Accumulation of larger and larger amounts of toxins within tissues of organisms at each succesive trophic level

Entire area of land that drains into a river