The $\underline{\text{primary}}$ Source of Oxygen for Earth's Atmosphere During the Past Half

question 34

Multiple Choice

The $\underline{\text{primary}}$ source of oxygen for Earth's atmosphere during the past half billion years or so appears to be

• A)volcanic eruptions.
• B)photosynthesis.
• C)​radiant heat.
• D)​exhalations of animal life.
• E)​transpiration.

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Definitions:

Rudimentary Language Skills

Basic abilities in understanding and using language, usually referring to the initial stages of language acquisition.

Symbolic Aspects

The representational features or meanings that objects, actions, or terms hold beyond their literal, tangible dimensions.

Linguistic Relativity Hypothesis

The hypothesis that a language's structure can shape its speakers' perception of reality or thought processes.

Linguistic Relativity Hypothesis

A principle suggesting that the structure of a language influences its speakers' worldview or cognition, and thus people's perceptions are relative to their spoken language.