The Formation of the Solar System and the Existence of AGNs

question 79

Multiple Choice

The formation of the Solar System and the existence of AGNs both demonstrate the

• A) information gained from how luminosity varies with time.
• B) high efficiency of nuclear fusion.
• C) effects of accretion disks.
• D) importance of living in the center of a galaxy.
• E) existence of dark matter.

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Definitions:

Activism

The practice of campaigning or taking action to bring about political or social change.

Random Sampling

A method of sampling where every element of the population has an equal chance of being selected.

Luck Of The Draw

A phrase referring to the outcome being determined by chance rather than any controllable factors.

Probability Sampling

A sampling technique in which every member of the population has a known, non-zero chance of being selected.