Evidence That Tidal Interactions and Collisions of Galaxies May Make

question 9

Multiple Choice

Evidence that tidal interactions and collisions of galaxies may make ordinary galaxies active is that

• A)many active galaxies are distorted.
• B)some active galaxies have companions.
• C)many active galaxies are distorted and some active galaxies have companions.
• D)active galaxies are neither distorted nor have companions.

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Definitions:

Sample Proportion

The fraction of the sample observations that belong to a particular category, often used as an estimator of the population proportion.

Hazardous Waste Site

Locations where waste materials harmful to humans or the environment are stored, treated, or disposed of.

Extrasensory Perception

A claimed ability to gain information through means other than the known human senses, including telepathy and clairvoyance.

Random Trial

A type of experiment where outcomes are determined entirely by chance, eliminating any bias from the experimenters.