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Adam Smith once wrote: "What is prudence in the conduct of every private family can scarce be folly in that of a great kingdom." Evaluate in terms of the national debt.
Oligotrophic Lake
A type of lake characterized by low nutrient levels, clear waters, and relatively low productivity of plant and animal life.
Net Primary Productivity
The rate at which plants in an ecosystem produce net useful chemical energy; essentially, the amount of biomass created minus the amount used by plants for respiration.
Phytoplankton
Microscopic plant-like organisms that live in aquatic environments, forming the base of many aquatic food webs and producing a significant portion of Earth's oxygen.
Lake Turnover
The seasonal process in lakes where water layers mix, redistributing oxygen from the surface and nutrients from the bottom.
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