Soil Erosion

question 39

Multiple Choice

Soil erosion:

• A) may result in decreased water quality for fishes and other aquatic organisms.
• B) does not reduce the fertility of the soil, just the quantity.
• C) is exclusively linked to human activities.
• D) is not affected by the extent of plant cover.
• E) is never responsible for or related to water pollution.

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Definitions:

Operating Income

Operating income is the profit realized from a business's core operations, excluding deductions of interest and taxes.

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.