The Approximate Main-Sequence Lifetime of a Star of Spectral Type

question 69

Multiple Choice

The approximate main-sequence lifetime of a star of spectral type O is

• A)10,000 years.
• B)3 million years.
• C)300 million years.
• D)10 billion years.

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Definitions:

Employer-Independent Contractor

A working relationship where the contractor provides services under a contract for a specific task, without being entitled to employee benefits or subject to the same control as an employee.

Independent Contractors

Individuals or entities hired to perform specific tasks or services, who maintain control over how their work is completed, rather than employees.

Authorizes

To give official permission or power to someone to do something.

Building Contractors

are professionals involved in the planning, leading, execution, supervision, and inspection of a building construction process.