Would You Use a Physical Model or a Conceptual Model

question 83

Multiple Choice

Would you use a physical model or a conceptual model to describe the following: a gold coin,dollar bill,car engine,air pollution,virus,spread of sexually transmitted disease?

• A)conceptual model-gold coin,car engine,virus; physical model-air pollution,spread of sexually transmitted disease,dollar bill
• B)physical model-gold coin,car engine,virus; conceptual model-air pollution,spread of sexually transmitted disease; dollar bill,which could represent wealth,may well be described by either model.
• C)You could adequately describe all of the topics by either model.The choice depends only on the characteristics requiring description.
• D)physical model-gold coin,dollar bill,car engine; conceptual model-virus,air pollution,spread of sexually transmitted disease

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Definitions:

Oxygen

A chemical element with symbol O and atomic number 8, essential for aerobic respiration in most living organisms.

Carbon Dioxide

An odorless, colorless gas resulting from the burning of carbon and organic molecules, and emitted during breathing, which is assimilated by plants for use in photosynthesis.

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins into carbon dioxide and chemical energy.

Glucose Molecule

A simple sugar and important energy source in living organisms, serving as a primary substrate for cellular respiration and a basic building block for carbohydrates.