A Star of Spectral Type O Lives Approximately How Long

question 81

Multiple Choice

A star of spectral type O lives approximately how long on the main sequence?

• A)1,000 years
• B)10,000 years
• C)10 million years
• D)100 million years
• E)1 billion years

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Definitions:

Informal Assessment Techniques

Non-standardized methods of evaluating a student's performance or progress, usually more flexible and adaptive than formal assessments.

Practicality

The extent to which something can be applied or used in a real-world setting.

Painstakingly

With great care and thoroughness, paying close attention to every detail.

Inappropriate

Unsuitable or not fitting the context, often referring to behavior, language, or actions that are not proper or acceptable in a given situation.