Which of the Following Includes All Energy-Yielding Substances

question 40

Multiple Choice

Which of the following includes all energy-yielding substances?

• A) Carbohydrates, lipids, protein
• B) Vitamins, minerals, carbohydrates, lipids, protein
• C) Alcohol, carbohydrates, lipids, protein
• D) Carbohydrates, lipids, protein, vitamins, minerals, water

---

Definitions:

Marginal Expenditure

The additional cost incurred from purchasing one more unit of a good or service.

Average Expenditure

Average expenditure is the amount of money spent per unit of goods or services purchased, calculated by dividing total expenditure by the total number of units bought.

Competitive Quantity

is the quantity of goods produced or services offered based on the equilibrium in a competitive market.

Wage Rate

The fixed amount of compensation or payment received by an employee from an employer in exchange for work performed.