Within an Entity-Relationship Diagram, Which of the Following Would Indicate

question 9

Multiple Choice

Within an entity-relationship diagram, which of the following would indicate that the relationship between A and B is one (A) to many (B) ?

• A) An arrow drawn from rectangle B points to rectangle A.
• B) A line drawn from rectangle A ends in a crow's foot at rectangle B.
• C) A line with a number 1 beside it is drawn from rectangle A to rectangle B.
• D) A line with a letter n beside it is drawn from a diamond to rectangle A.

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Definitions:

Nucleus

The dense central core of an atom, containing protons and neutrons, or the central part of a cell, containing the genetic material.

Hydrogen Atom

The simplest atom consisting of a single proton in the nucleus and a single electron bound to the nucleus.

Belt Of Stability

A concept in nuclear physics that describes the combination of neutron and proton numbers in atomic nuclei which makes them more stable.

Stable Isotopes

Variants of elements that have a stable nucleus and do not undergo radioactive decay over time.