Humans and Other Animals Require Nitrogen; However, They Cannot Obtain

question 149

Multiple Choice

Humans and other animals require nitrogen; however, they cannot obtain it from the air or soil. What must animals consume in order to obtain the nitrogen they need?

• A)Lipids
• B)Carbohydrates
• C)Protein
• D)Glucose

---

Definitions:

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, and insurance.

Industry Supply Curve

A graphical representation showing the total quantity of a good or service that businesses in a specific industry are willing and able to supply at various prices.

Price of An Input

The cost associated with one unit of a raw material or component used in the production of goods or services.

Perfectly Competitive Industry

A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.