Quasars Are____

question 21

Multiple Choice

Quasars are____.

• A) spiral galaxies with unusually luminous nuclei
• B) elliptical galaxies with very broad emission lines
• C) explained by the double-exhaust model
• D) extremely luminous objects with high redshifts
• E) glowing green gases due to excitation from energy from an active core

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Definitions:

Productivity

The measure of how efficiently production inputs, such as labor and capital, are converted into outputs, i.e., goods and services.

Public Assistance

Government programs designed to provide financial aid to individuals or families in need.

Immigrants

Immigrants are individuals who move to a new country with the intention of settling there, contributing to the labor force, cultural diversity, and population changes.

Emigration

The act of leaving one's country to settle in another, which can have significant impacts on the labor force and economy of both the home and host country.