A Rapid Rise in Oxygen Levels Occurred in Earth's Atmosphere

question 14

Multiple Choice

A rapid rise in oxygen levels occurred in Earth's atmosphere 600 million years ago (the Second Great Oxidation Event) because geochemical processes began to favor ____.

• A) respiration and decay
• B) photosynthesis
• C) outgassing
• D) cyanobacteria

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Definitions:

Incompatible Duties

Tasks within an organization that are separated to prevent fraud or error, ensuring no individual has control over all aspects of a transaction.

Financial Pressure

The stress or strain on a company's cash flow and finances, potentially affecting its operational capability.

Custodian

An entity or individual responsible for safeguarding or managing someone else's property or financial assets.

Accounting Records

Documents and books that keep track of all financial transactions of an entity for the purpose of financial reporting.