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:

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, thereby influencing the likelihood of that behavior being repeated.

Shaping

Shaping is a method of behavior modification that uses reinforcement strategies to guide a subject towards a desired behavior gradually.

Figure and Ground

A principle in perception that describes how people visually distinguish between an object (the figure) and its background (the ground), emphasizing one over the other.

Depth of Processing

A theory regarding the levels at which information is mentally processed, affecting its memorability and the strength of recall.