Which of the Following Would Increase the Density of Quasars

question 3

Multiple Choice

Which of the following would increase the density of quasars at the present day?

• A) if more galaxies were ellipticals
• B) if more galaxies were barred spirals
• C) if more galaxies were isolated
• D) if more galaxies were inside clusters

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Definitions:

Electrons

Subatomic particles with a negative charge that orbit the nucleus of an atom, involved in chemical reactions and electricity.

Oxidation-Reduction Reaction

Reaction in which one molecule is oxidized and another is reduced.

Charges

An amount or fee levied for a service, or the distribution of electrical energy.

Hydrogen Bonds

Weak bonds between molecules or within parts of a single molecule resulting from the attraction between a hydrogen atom and a more electronegative atom.