How Do Quasars Demonstrate That the Universe Evolves with Time

question 15

Multiple Choice

How do quasars demonstrate that the universe evolves with time?

• A) there were very few quasars long ago, and their numbers have been growing since
• B) quasars began emerging only about a billion years ago, and now there are many more than ever
• C) quasars have been around since the big bang, but the radiation they give off gets stronger and stronger as time in the universe goes on
• D) the number of quasars reached a maximum some time ago, and now the numbers have been declining
• E) quasars actually don't demonstrate any evolution; the number of quasars has been pretty constant for the entire history of the universe

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Definitions:

Genital Exam

A physical examination of the external and internal genital organs to assess health and diagnose diseases.

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Persistent or recurring pain during sexual intercourse, considered a long-term condition.

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A sexual dysfunction characterized by a lack or reduced sexual interest and arousal, which can significantly impact a person's relationships and mental health.

DSM

The Diagnostic and Statistical Manual of Mental Disorders, a publication by the American Psychiatric Association that provides a comprehensive classification of mental disorders.