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:

Physical Environment

The surroundings or conditions in which a person, animal, or plant lives or operates, influencing health and behavior.

Physical Environment

Refers to the surrounding conditions in which a person lives or operates, including both natural and built environments.

Smartphone App

A software application designed to run on smartphones, offering various functionalities, from productivity to health tracking.

Dietary Reference Intakes

A set of reference values for nutrient intake to be used for planning and assessing diets for healthy people, including RDAs and AIs.