Which Sequence Correctly Lists the Spectral Classes of Stars in Order

question 15

Multiple Choice

Which sequence correctly lists the spectral classes of stars in order from hottest to coolest?

• A) A B F G K M O
• B) O A B G F M K
• C) A F O B M G K
• D) O B A F G K M
• E) M K G F A B O

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Definitions:

Direct Labor

Expenses of employees directly involved in the production of goods or services, such as wages for assembly line workers.

Per-unit Cost

The cost associated with producing or acquiring a single unit of product, including both fixed and variable costs.

Operating Income

Operating Income is a measure of a company's profit that comes from its regular business operations, excluding non-operating income and expenses.

Units Sold

The total number of units of a product sold within a specific period, reflecting the volume of business activity.