Most of the Mass of a Galaxy Is Contained in the

question 72

Multiple Choice

Most of the mass of a galaxy is contained in the

• A)massive O and B stars in the galaxy.
• B)H I regions of the galaxy.
• C)H II regions of the galaxy.
• D)dark matter of the galaxy.
• E)disk of the galaxy.

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Definitions:

Rosenthal Effect

The phenomenon in which the higher expectations placed upon individuals either by themselves or others lead to better performance; also known as the Pygmalion effect.

Quasi-experimental Designs

Research methods that aim to evaluate interventions without using random assignment, often by comparing groups that naturally exist.

Experimenter Bias

A process where the scientists conducting an experiment influence the results, intentionally or unintentionally, in a direction consistent with their hypothesis.

Ethical

Pertaining to or dealing with morals or the principles of morality; pertaining to right and wrong in conduct.