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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Definitions:

Spontaneous Remission

The unexpected improvement or cure of a disease or condition that occurs without medical treatment.

Lymphocytes

A type of white blood cell that is part of the immune system, helping the body fight infection and disease.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting attention and responding actions in the brain.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, along with regulating mood, appetite, and sleep.