As a Solar Mass Protostar Moves on to the Main

question 2

Multiple Choice

As a solar mass protostar moves on to the main sequence,

• A) its surface temperature and luminosity increase.
• B) its surface temperature increases and its luminosity decreases.
• C) its surface temperature and luminosity decrease.
• D) its surface temperature decreases and its luminosity increases.
• E) its surface temperature and luminosity remain the same.

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Definitions:

Common Stock

Stock whose owners have voting rights in the corporation, yet do not receive preferential treatment regarding dividends.

Commercial Paper

An unsecured, short-term debt instrument issued by corporations, typically used for the financing of payroll, accounts payable, inventories, and meeting other short-term liabilities.