Black Holes

question 19

Multiple Choice

Black holes

• A)are holes in space, devoid of matter.
• B)are predicted by Einstein's special theory of relativity.
• C)are the collapsed remnant of stars.
• D)cannot be detected in binary star systems.
• E)are a violation of Einstein's general theory of relativity.

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Definitions:

Excitement Stage

A phase in the human sexual response cycle characterized by an increase in heart rate, muscle tension, and blood flow to the genitals, often marked by feelings of sexual arousal.

Androgen

A type of hormone that plays a key role in the development of male traits and reproductive activity.

Testosterone

A steroid hormone primarily produced in males by the testes and, in small amounts, in females by the ovaries, playing key roles in health and sexual development.

Immigration

The action of coming to live permanently in a foreign country, often resulting in demographic, economic, and cultural changes within the host society.