Which Statement Is True About the Interstellar Medium

question 71

Multiple Choice

Which statement is true about the interstellar medium?

• A)Gas contains a lot of carbon atoms.
• B)Dust blocks the longest electromagnetic wavelengths.
• C)Gas obscures the light from distant stars.
• D)We know more about the gas than the dust.
• E)Dust is spread uniformly through the galaxy.

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Definitions:

Pure Monopolist

An entity that is the sole provider of a particular product or service in the market, facing no direct competition.

Pure Monopoly

A market structure where a single seller controls the entire supply of a product or service, and no close substitutes exist.

Long-run Equilibrium

A state in which all resources are optimally allocated, and all firms in the industry are making normal profits, with no external pressures for change.

X-inefficiency

The inefficiency that occurs in a firm due to a lack of competitive pressure, leading to higher costs than necessary.