The Figure Above Shows the Abundance of Elements in the Galaxy

question 21

Multiple Choice

The figure above shows the abundance of elements in the galaxy relative to hydrogen. Why does iron have a higher abundance than nearby elements?

• A)It has a higher density than other elements, and thus becomes locked away in dust.
• B)It is the end product of core fusion in massive stars, and can only be destroyed in rare supernova fusion reactions.
• C)It does not; this apparent higher abundance is due to iron's many spectral lines making it easier to find.

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Definitions:

Utility Function

A mathematical representation of how consumer preference over a set of goods and services translates into choices given constraints, like income.

Tape Recorders

Devices used for recording sound onto magnetic tape.

Inferior Good

A type of good for which demand decreases as the income of individuals increases, in contrast to normal goods.

Rational Consumer

An economic concept where consumers aim to maximize their utility or satisfaction from their available resources.