Which of the Following Statements Best Summarizes Current Evidence Concerning

question 42

Multiple Choice

Which of the following statements best summarizes current evidence concerning dark matter in individual galaxies and in clusters of galaxies?

• A)Dark matter is the dominant form of mass in both clusters and in individual galaxies.
• B)Dark matter is present between galaxies in clusters,but not within individual galaxies.
• C)Dark matter is present in individual galaxies,but there is no evidence that it can exist between the galaxies in a cluster.
• D)Within individual galaxies,dark matter is always concentrated near the galactic center,and within clusters it is always concentrated near the cluster center.

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Definitions:

James Marcia

A psychologist best known for his work on adolescent identity development, particularly his theory of identity statuses.

Identity Statuses

A concept pertaining to the different stages or conditions through which an individual's identity development passes.

Moratorium Stage

A period during an individual's development in which they are actively exploring options but have not yet made clear commitments in areas such as career and personal beliefs.

James Marcia

A psychologist known for his work on adolescent identity development, particularly the identity status theory.