Which of the Following Describes a Void

question 2

Multiple Choice

Which of the following describes a void?

• A) a gap between spiral arms in a spiral galaxy
• B) a gap in a protoplanetary disk
• C) a region of the interstellar medium cleared of material by supernovas
• D) a region 10-100 Mpc across where the galaxy density is very low

---

Definitions:

Alcoholic

A person who suffers from alcoholism, which is a chronic disease characterized by an uncontrollable desire to consume alcohol despite its negative effects.

Airline Attendant

A professional responsible for ensuring the safety and comfort of passengers onboard an aircraft, typically addressing in-flight service, security, and emergency procedures.

Technological Control

The use of various forms of organizational technology to control worker productivity.

Time Limit

A specified duration within which an activity, task, or operation must be started or completed.