In Structure,our Milky Way Is Most Similar To

question 79

Multiple Choice

In structure,our Milky Way is most similar to:

• A) the Large Magellanic Cloud.
• B) an upscale version of a globular cluster.
• C) M-31, the Andromeda Galaxy.
• D) the Orion nebula.
• E) None of these.

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Definitions:

Independent Variable

In an experiment, the variable that is deliberately changed or manipulated to observe its effect on a dependent variable.

Dependent Variable

is the variable in a scientific experiment that is measured to assess the effect of one or more independent variables.

Experimental Variable

The aspect of an experiment that is intentionally changed or manipulated to observe its effects on the outcome, also known as the independent variable.

Placebo

A substance or treatment with no therapeutic effect, often used in the control group of experiments to test the efficacy of treatments.