Why Is Cation-Exchange Capacity (CEC)an Important Soil Characteristic

question 14

Multiple Choice

Why is cation-exchange capacity (CEC) an important soil characteristic?

• A)CEC is an indication of the soil permeability; the lower the CEC the higher the permeability.
• B)CEC is a measure of soil fertility; the higher the CEC the higher the soil fertility.
• C)CEC is used to infer soil texture without having to use a soil texture triangle.
• D)CEC is an indirect way to measure soil pH; it indicates whether the soil is neutral,alkaline,or acidic.

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Definitions:

Zero Profits

A situation where a company's total revenues equal its total costs, meaning it is breaking even and not generating any profit.

P = MC

An equation that states that the price (P) of a product is equal to its marginal cost (MC), indicating the point at which the production of one more unit of a good or service is exactly covered by the sale price, often used in the context of perfect competition markets.

MC > ATC

Denotes a situation in which the marginal cost of producing an additional unit of a good is greater than the average total cost, implying that producing more of the good will increase the per unit cost.

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