Topic VI. Water

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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

Process in which salt is removed from water

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

An underground rock formation that contains water

Pollution discharged from a single source

Fresh water found above ground in lakes