The Causes of the Current (Sixth)mass Extinction Include All of the Following

question 27

Multiple Choice

The causes of the current (sixth) mass extinction include all of the following except ____________

• A)earthquakes, tsunamis, and forest fires
• B)invasive exotic species
• C)global climate change
• D)habitat alteration and destruction
• E)pollution from pesticides, eutrophication, and other causes

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Definitions:

Break-Even Point

The point at which total costs and total revenues are equal, resulting in no gain or loss for the business.

Fixed Costs

Overhead expenses that do not vary with production level or sales volume, such as rent, salaries, and insurance.

Variable Costs

Costs that change in proportion to the level of goods or services that a business produces.

Fixed Costs

Expenses that do not change in total regardless of the level of production or business activity.