The Maximum Cardinality of Any REA Diagram Relationship Is

question 27

Multiple Choice

The maximum cardinality of any REA diagram relationship is

• A) zero or one.
• B) one or many.
• C) zero or many.
• D) none of the above

---

Definitions:

Toxic Substances

Materials or chemicals that can cause harm to organisms and the environment if ingested, inhaled, or absorbed through the skin.

Burning Polymers

The process of decomposing a polymer material through combustion, which can release toxic fumes and is a chemical hazard.

Immunoassay

A laboratory method that uses the antigen-antibody reaction to measure the presence or concentration of a substance.

Molecule

The smallest unit of a chemical compound that can exist; composed of two or more atoms held together by chemical bonds.