How Did Molecular Oxygen (O₂)get into Earth's Atmosphere

question 78

Multiple Choice

How did molecular oxygen (O₂) get into Earth's atmosphere?

• A)It was released by life through the process of photosynthesis.
• B)It was captured from the solar nebula.
• C)It was outgassed from volcanoes.
• D)It came from chemical reactions with surface rocks.

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Definitions:

Diseases

Pathological conditions affecting body parts or systems, characterized by identifiable symptoms and signs, resulting from various causes like infections, genetics, or environmental factors.

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an individual's belief or perception regarding the availability and efficacy of emotional, informational, and material support from their social network.

Religious Involvement

Participation in or commitment to activities and practices associated with a particular faith or belief system.

Optimism

A mindset defined by optimism and belief in a successful and positive outcome.