Dark Matter Is Most Likely Made Up of

question 100

Multiple Choice

Dark matter is most likely made up of

• A) elementary particles that have mass but do not interact much with normal matter.
• B) supermassive black holes.
• C) faint stellar remnants such as white dwarfs and neutron stars.
• D) free-floating Jupiter-mass planets.
• E) cold concentrations of dust.

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Circular-Flow Diagram

An economic model that illustrates how money moves through society and the economy, from households to businesses and then back again.

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Circular-Flow Diagram

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