Much of the Original Free Oxygen in the Atmosphere Combined

question 123

True/False

Much of the original free oxygen in the atmosphere combined with iron dissolved in water to become iron oxide.

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Definitions:

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Empiricism

The theory that knowledge comes primarily from sensory experience and that scientific methods should rely on observation and experimentation.

Variable

Something in the world that can vary and that a researcher can manipulate (change), measure (evaluate), or both.

Social Psychology

The scientific study of how individuals think, feel, and behave in a social context, encompassing a broad range of topics such as attitudes, group behavior, and social perception.