How Many Barred Spiral Galaxies Are There Compared with Ordinary

question 465

Multiple Choice

How many barred spiral galaxies are there compared with ordinary spiral galaxies?

• A) There are about half as many barred spirals as there are ordinary spirals.
• B) There are about twice as many barred spirals as there are ordinary spirals.
• C) About one in ten spiral galaxies contains a bar.
• D) The numbers are essentially equal.

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Increase Revenue

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Firm

A business organization, such as a corporation or partnership, that sells goods or services in exchange for money.

Cross-Price Elasticity

A measure of how the demand for one good responds to changes in the price of another good.

Complements

Goods or services that are often used together, where the consumption of one enhances the consumption of the other.