The Figure Shown Below Immediately Reveals That

question 29

Multiple Choice

The figure shown below immediately reveals that

• A) disk material concentrates along the spiral arms but is completely absent between the arms.
• B) spiral arms are sites where ongoing star formation happens efficiently.
• C) disk galaxies do not contain any red, old stars.
• D) the space between spiral arms must be filled with thick layers of invisible dark matter.
• E) star formation happens only in the spiral arms of galaxies without bars.

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A product that has recently been launched into the market, often featuring new or innovative characteristics.

Existing Product

A product that has already been developed and is available in the market for consumers.

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The additional satisfaction or utility gained by consuming an additional unit of a good or service.

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