Approximately How Long After the Solar System Formed Did It

question 15

Multiple Choice

Approximately how long after the Solar System formed did it take for oxygen to get to within 80 percent of its present abundance in the Earth's atmosphere?

• A) 4 billion years
• B) 1 billion years
• C) 400 million years
• D) 1 million years
• E) Oxygen was always a primary component of the Earth's atmosphere.

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Definitions:

Selective Attention

The process of focusing on a particular object in the environment for a certain period while ignoring irrelevant information.

Disclosure

Disclosure is the act of making new or secret information known, often related to corporate, legal, or personal contexts.

Halo Effect

A cognitive bias where an observer's overall impression of a person, company, brand, or product influences feelings and thoughts about that entity's character or properties.

Negative Impression

An unfavorable or detrimental perception or judgment formed about someone or something based on their actions or presentation.