The Open Sunlit Layer of the Body of a Lake

question 53

Multiple Choice

The open sunlit layer of the body of a lake is the

• A)littoral zone.
• B)limnetic zone.
• C)profundal zone.
• D)benthic zone.
• E)abyssal zone.

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Definitions:

Marginal Revenue

The additional income generated from selling one more unit of a good or service.

Average Variable Cost

The total variable cost divided by the quantity of output produced; it represents the variable cost per unit of output.

Marginal Revenue

The additional income earned from selling one more unit of a good or service, a key factor in decision-making for producing additional units.

Marginal Revenue

The extra revenue earned by selling an additional unit of a product or service.