What Observed Feature of the Milky Way Is Better Explained

question 54

Multiple Choice

What observed feature of the Milky Way is better explained by the bottom-up hypothesis of galactic formation, as opposed to the monolithic collapse model?

• A) The elongated shape of the central bulge of the galaxy
• B) The different metallicities of the bulge and disk of the galaxy
• C) The difference in age of globular clusters
• D) The supermassive black hole found at center of the galaxy
• E) The very little gas or dust that halo contains

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Definitions:

Total Cost

The combined total of all costs associated with generating goods or services, covering both fixed and variable expenses.

Price of Labor

The wage rate paid to employees, essentially the cost of labor to employers.

AVC Curve

A graph that shows the average variable costs of production at different levels of output.

Variable Resource

An input or factor of production whose quantity can be changed easily by a firm as its output level changes.