Which of the Following Is NOT a Difference Between Spiral

question 17

Multiple Choice

Which of the following is NOT a difference between spiral and elliptical galaxies?

• A) Spiral galaxies still have ongoing star formation whereas elliptical galaxies do not.
• B) Spiral galaxies have dark matter halos whereas elliptical galaxies do not.
• C) Spiral galaxy disks contain lots of cold gas and dust whereas elliptical galaxies do not.
• D) Spiral galaxies tend to be bluish whereas elliptical galaxies tend to be reddish.

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Definitions:

Duration Variance

A measure used in project management to quantify the difference between the planned and actual duration of project activities.

PERT Analysis

Project Evaluation and Review Technique, a statistical tool used in project management designed to analyze and represent the tasks involved in completing a given project, incorporating time estimates for completing each task.

Critical Path

The most extended line of activities within a project's plan that requires punctual completion for the project to finalize on its expected completion date.

Project Scheduling

The process of allocating time to tasks in a project to ensure it is completed within the set timeline, often visualized through tools such as Gantt charts.