A Star Can Be a Supernova

question 73

Multiple Choice

A star can be a supernova:

• A)in predictable cycles of decades.
• B)a few times, at unpredictable intervals.
• C)only if it can fuse iron in its core.
• D)before it reaches the main sequence, if it is massive enough.
• E)only once.

---

Definitions:

Concession

An act of compromising or yielding on a point, demand, or stance in the course of negotiations.

Perceived Differences

Differences that are noticed or believed to exist by an individual or group, whether or not they are real.

Comparison Groups

Reference groups used to evaluate or benchmark the outcomes, behaviors, or characteristics in a study or negotiation context.

Offensive Behavior

Refers to actions or remarks that are hurtful, inappropriate, or cause discomfort to others.