What Fraction of the Measured Mass of the Universe Is

question 38

Multiple Choice

What fraction of the measured mass of the universe is hydrogen (as represented by "standard cosmic abundances" in the interstellar medium) ?

• A) 25%
• B) 98%
• C) 1%
• D) 74%

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Definitions:

Language Family

A group of languages related through descent from a common ancestral language, characterized by shared linguistic features.

Scientific Study

The systematic investigation of the natural world through observation, experimentation, and analysis to acquire knowledge.

Distinctions Encoded

The process of representing unique qualities or differences in genetic material, language, or information systems.

Wedge-Shaped Imprints

Marks or indentations often associated with cuneiform writing, one of the earliest systems of writing invented by the Sumerians in Mesopotamia.