The Major Concentrations of Life in the Oceans Are Found

question 96

Multiple Choice

The major concentrations of life in the oceans are found in

• A) deep, large oceans due to high nutrient concentrations.
• B) the oligotrophic zone due to clear and clean water.
• C) the anoxic zone.
• D) the aphotic zone due to high light levels.
• E) regions of upwelling and in shallow coastal waters.

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Definitions:

Short Run

A time period in which at least one factor of production is fixed, focusing on immediate effects.

Long Run

A period of time in economics where all factors of production and costs are variable, allowing full industry adjustment.

Economic Profit

The profit a company makes after subtracting both its explicit and implicit costs, including opportunity costs, from its total revenues.

Innovation

The introduction of new ideas, products, or methods, aiming at improving efficiency, value, or creating something novel.