An Astronomer Classifies Nebulae That Have Distinct Geometry by Dividing

question 47

Multiple Choice

An astronomer classifies nebulae that have distinct geometry by dividing the nebulae into

• A)two main types, as either absorption nebulae or reflection nebulae.
• B)two main types based on their predominate radiation characteristics as either emission nebulae or absorption nebulae.
• C)two main types based on their predominate radiation characteristics as either emission nebulae or reflection nebulae.
• D)three main types based on their predominate radiation characteristics as either emission, absorption, or reflection nebulae.

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Definitions:

Cognitive Map

An internal representation of the spatial relationships between objects in an individual's environment, facilitating navigation and understanding of the world.

Partial Reinforcement

A conditioning schedule in which a response is reinforced only some of the time, leading to more resistant behavior to extinction.

Variable Ratio

Variable ratio is a schedule of reinforcement where a response is reinforced after an unpredictable number of responses, making it highly effective in maintaining behavior after it has been learned.

Tobacco Use

The act of consuming tobacco products, including smoking cigarettes, cigars, or using smokeless tobacco.