Which of the Following Gives the Two Main Assumptions of Theoretical

question 84

Multiple Choice

Which of the following gives the two main assumptions of theoretical models of galaxy evolution?

• A)The beginning of the universe is modeled after a supernova explosion,and all the elements were produced in the proper quantities by the star.
• B)Hydrogen and helium filled all of space,and certain regions of the universe were slightly denser than others.
• C)Hydrogen and helium filled all of space,and all the universe was exactly the same density.
• D)The universe has always been expanding,and denser areas contracted to form the first stars.
• E)The universe was composed originally only of hydrogen,and all the other elements came from stars.

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Definitions:

Self-Efficacy

Self-efficacy refers to an individual's belief in their capacity to execute behaviors necessary to produce specific performance attainments.

Social Anxiety

The fear of social situations that involve interaction with other people, often driven by the fear of being judged or embarrassed.

Psychological Loneliness

A state of mind characterized by a significant discrepancy between desired and actual social relationships, leading to feelings of isolation.

Intrapersonal Loneliness

A state of feeling alone and isolated due to a lack of close or meaningful personal relationships.