Which Statement About Earth Is TRUE

question 112

Multiple Choice

Which statement about Earth is TRUE?

• A) The oxygen in Earth's atmosphere was created by the evaporation of seawater and its dissociation into hydrogen and oxygen by solar UV light.
• B) Earth has always had an oxygen-rich atmosphere, which was one reason that life could develop on Earth.
• C) Out-gassing by volcanic eruptions converted the carbon-dioxide-rich atmosphere into an oxygen-rich atmosphere, thus creating conditions in which life could develop.
• D) Life developed in a carbon-dioxide-rich atmosphere and then converted it into an oxygen-rich atmosphere.

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Definitions:

Customary Law

Legal norms that have developed over time from established practices and traditions within a specific community or culture.

Civil Law

A system of law that provides a comprehensive code of written law that judges translate into legal principles and regulatory statutes.

Civil Law

A legal system that uses a comprehensive set of laws as a framework for legal proceedings.

Ancient Roman

Pertaining to the civilization of Rome from its founding in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD.