The Third Most Plentiful Gas in the Earth's Lower Atmosphere

question 63

Multiple Choice

The third most plentiful gas in the Earth's lower atmosphere is _______.

• A) argon
• B) oxygen
• C) nitrogen
• D) helium
• E) neon

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Definitions:

Random Sampling

A method in statistics where a subset of individuals is chosen from a larger set or population in a way that each individual has an equal chance of being selected.

Sampling Technique

A method used in statistical analysis to select a subset of individuals or items from a larger population to estimate characteristics of the whole population.

Population

The total number of people or organisms inhabiting a particular area or space, often studied in demographics and ecology.

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