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:

Real Defense

In negotiable-instruments law, any defense that can be used against everyone, including holders in due course. Also called absolute defense and universal defense.

Duress

An action by one party that forces another party to do what need not be done otherwise.

Personal Defense

In negotiable-instruments law, a defense that can be used against a holder but not against a holder in due course of a negotiable instrument. Also called limited defense.

Payment

The transfer of money or goods from one person or entity to another in exchange for goods, services, or to fulfill a legal obligation.