The Molecular Oxygen in Earth's Present Atmosphere Was Most Probably

question 19

Multiple Choice

The molecular oxygen in Earth's present atmosphere was most probably produced:

• A) at the formation of Earth and has always been present.
• B) from volcanic eruptions as the primitive Earth cooled down.
• C) from volcanoes, by out-gassing.
• D) by biological activity such as photosynthesis from living things.

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Definitions:

Positive Illusions

Cognitive biases or distortions that contribute to viewing oneself or reality in an overly favorable manner, often linked to improved mental health outcomes.

Unrealistically Optimistic

Having an excessively positive outlook or expectations about the future or a particular outcome, beyond what is justified by the actual circumstances.

Nondepressed People

Individuals who do not exhibit clinical symptoms of depression, characterized by a more stable mood and emotional state.

Take Credit

Refers to the act of claiming responsibility for an achievement, work, or positive outcome, usually to gain recognition or advantage.