A Galaxy Contains

question 22

Multiple Choice

A galaxy contains

• A) primarily planets.
• B) large amounts of gas and dust but very few stars.
• C) large amounts of gas,dust,and stars.
• D) a single star and planets.
• E) thousands of superclusters.

---

Definitions:

Effects

Effects refer to the outcomes or results generated by a cause or influence, which can manifest in various aspects such as physical health, psychological states, or environmental conditions.

Experimental Group

In an experiment, the group exposed to the treatment, that is, to one version of the independent variable.

Control Group

In experimental research, it refers to the group of participants who do not receive the experimental treatment, serving as a comparison to evaluate the effect of the treatment.

Cause-Effect Relationships

The principle that an action or event will produce a certain response in the form of another event.