Ecologists Estimate That __________ Are Being Driven into Extinction Each

question 15

Multiple Choice

Ecologists estimate that __________ are being driven into extinction each day due to __________.

• A) New England's fisheries; gigantic nets
• B) up to 10 kinds of fish; overfishing
• C) about 150 species; CO₂ pollution
• D) about 137 species; deforestation

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Definitions:

Variable Cost

Costs that change in proportion with the level of output or production activity.

Fixed Costs

Overheads such as rent, salaries, and insurance that do not fluctuate with the level of goods produced or sold.

Variable Costs

Charges that vary in relation to the volume of output or services provided by a firm.

Fixed Costs

Expenses that do not change regardless of the level of production or business activity, such as rent, salaries, and insurance.