The Early Universe Was Composed Mainly of Which Two Elements

question 10

Multiple Choice

The early universe was composed mainly of which two elements?

• A) hydrogen and helium
• B) carbon and oxygen
• C) hydrogen and oxygen
• D) carbon and iron

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Definitions:

Range

denotes the extent or scope of something, often referring to the difference between the highest and lowest values in a set of data or the variety within a category.

Expectancy

In the context of motivation, it is the belief that one's effort will result in attainment of desired performance goals.

Instrumentality

In the context of motivation, the belief that a particular level of performance will lead to the attainment of desired outcomes.

Effort

The physical or mental exertion applied in order to achieve something; often related to the intensity of work or study.