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What Caused the Buildup of Oxygen in the Atmosphere at Roughly

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What caused the buildup of oxygen in the atmosphere at roughly 2.5 Ga?


Definitions:

Analog Signals

Signals that vary continuously over time and can represent variables such as temperature, pressure, or velocity.

Two States

Typically refers to a system or component that has two distinct conditions, states, or values, commonly seen in digital or binary systems.

Volatile Memory

A memory structure that loses its information whenever power is removed. Volatile memories require a battery backup to ensure memory retention during power outages.

Programmed Contents

The specific information or instructions that have been programmed into a system, device, or application.

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