If a Star's Spectrum Does Not Contain Spectral Lines Characteristic

question 73

Short Answer

If a star's spectrum does not contain spectral lines characteristic of a certain element,can we conclude that the star does not contain that element? Why or Why not?

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Definitions:

Variable Manufacturing Overhead

These are manufacturing overhead costs that vary with the level of production output, such as utilities or materials used in the manufacturing process.

Materials Price Variance

The difference between the actual cost of materials used in production and the expected cost based on standard prices.

Variable Overhead Spending Variance

The difference between the actual variable overheads incurred and the expected variable overheads based on the standard cost for the actual production level.