Environmental

Maine's lakes and ponds are often described as having 'tropic state' classifications (oligotrophic, mesotrophic, eutrophic). A eutrophic lake in Maine is characterized by:

AVery clear, cold, deep water with excellent quality
BNutrient-rich water that supports excessive algae growth and reduced water clarity✓ Correct
CIdeal conditions for drinking water
DComplete absence of aquatic life

Explanation

A eutrophic lake has high nutrient levels (particularly phosphorus and nitrogen) that fuel excessive algae growth, reducing water clarity and quality. Development near lakes can accelerate eutrophication through nutrient runoff.

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