Spectra for the Cygnus Loop and the Orion Nebula Are

question 111

Multiple Choice

Spectra for the Cygnus loop and the Orion nebula are shown above. Judging from their spectra, how would these two objects look to the naked eye (assuming they were bright enough for colors to be distinguished) ?

• A)The Cygnus loop would appear blue, and the Orion nebula would appear blue.
• B)The Cygnus loop would appear red, and the Orion nebula would appear red.
• C)The Cygnus loop would appear blue, and the Orion nebula would appear red.
• D)The Cygnus loop would appear red, and the Orion nebula would appear blue.

Understand the concept of correlation and its application in predicting relationships between variables.

Distinguish between different research methods (e.g., experimental, correlational, surveys) and their purposes.

Recognize the importance of sample representativeness in research findings' generalization.

Interpret the statistical measure of correlation and its implications for determining the direction and strength of relationships.

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Definitions:

Allocative Efficiency

A state of the economy where resources are allocated in a way that maximizes the overall welfare or utility of consumers.

Average Cost

The total cost divided by the number of goods produced, representing the cost per unit of output.

Long Run

A period of time in economics during which all factors of production and costs are variable, allowing for full adjustment to changes.

Short Run

Period of time in which quantities of one or more production factors cannot be changed.