The Principle That States That the Cost of Something Is

question 187

Multiple Choice

The principle that states that the cost of something is equal to what is sacrificed to get it is known as the:

• A) reality principle.
• B) principle of opportunity cost.
• C) principle of diminishing returns.
• D) marginal principle.

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Definitions:

Ultraviolet Radiation

A type of electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays, capable of causing chemical reactions and damage to living organisms.

X-rays

A form of electromagnetic radiation with a wavelength shorter than that of UV rays, commonly used in medicine for imaging internal structures.

Myosin

Muscle protein making up the thick filaments in a sarcomere; it pulls actin to shorten the sarcomere, yielding muscle contraction. See also actin.

Insulin

Hormone, released by the pancreas, that serves to lower blood glucose levels by stimulating the uptake of glucose by cells, especially muscle and liver cells.