Exhibit 15.2 The Following Questions Employ the AON Network and Completed Spreadsheet

question 21

Multiple Choice

Exhibit 15.2
The following questions employ the AON network and completed spreadsheet below.
-A weakness of Gantt charts is that they do not explicitly

• A) indicate activity times.
• B) show precedence relationships.
• C) show activity start times.
• D) show activity finish times.

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Definitions:

Optic Nerve

Twin nerves that convey sight-related information from the retina to the brain.

Retina

A layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain.

Wavelength

The distance between two consecutive crests or troughs in a wave, typically used in the context of electromagnetic waves such as light, sound, and radio.

Colors

The aspect of things that results from the light they emit or transmit, giving them a characteristic appearance in terms of hue, saturation, and brightness.