Toward the End of the Permian, Oxygen Levels _______ Due

question 41

Multiple Choice

Toward the end of the Permian, oxygen levels _______ due to the _______.

• A) increased; evolution of flowering plants
• B) increased; coming together of several continents
• C) increased; evolution of endosymbionts
• D) decreased; drying of lowland swamps
• E) decreased; impact of a large meteorite

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Definitions:

Market Efficiency

A financial market theory suggesting that asset prices fully reflect all available information, making it impossible to consistently achieve higher returns.

Insider Trading

The illegal practice of trading on the stock exchange to one's own advantage through having access to confidential information.

Security Prices

The market value for tradable financial instruments such as stocks, bonds, and derivatives at any given time.

Efficient-Market Hypothesis

The theory that all available information is already reflected in securities prices, therefore making it impossible to consistently achieve higher returns than the overall market.