Absorption Lines Due to Interstellar Gas

question 87

Multiple Choice

Absorption lines due to interstellar gas

• A) are wider than the lines from stars because the gas is hotter than most stars.
• B) are more narrow than the lines from stars because the gas has a lower pressure than stars.
• C) indicate that the interstellar medium contains dust.
• D) indicate that the interstellar medium is expanding away from the sun.
• E) none of the above.

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The highest price that consumers are willing to pay for a good or service at a given quantity.

Supply Price

The lowest price at which a seller is willing to sell a good or service, influenced by costs of production and market demand.

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The earnings exceeding normal profits received by license holders when import quotas are in place.

Demand Price

The price of a good or service dictated by the desire and ability of consumers to purchase it at certain price levels.